Improve your love life with generic Cialis or Viagra.

Generic drugs wear this label because they reach the market under their chemical or generic name. This means that they are identical to the brand name drugs in everything but the name. The FDA (Federal Food and Drug Administration) verifies all generic drugs to offer a guarantee that they treat the illness with the same safety, effectiveness and strength levels as their brand name equivalent.

Generic drugs manufacturers must get WHO’s (World Health Organization) approval. Sometimes, the same pharmaceutical company that makes the brand drug also produces its generic version; in other cases, the company specializes in producing generic drugs.

How does generic Cialis work? In a few words, it relaxes blood vessels in the penis by inhibiting PDE5, an enzyme generally found in the arterial wall smooth muscle tissue of the penis and the lungs. The result is an increase in the janitorial services flow, which helps the erection. Men who suffer from erectile dysfunction problems should buy Cialis because it is safe, effective and its effect lasts for 36 hours. The same thing goes true for generic Viagra.

The prescribed dose of generic Cialis is 20 milligrams, which is comparable to a 100 milligrams dose of generic memory loss For the Cialis to have its desired effect, one should take it 30 minutes before lovemaking. Compared to Viagra, Cialis is more advantageous because its effect lasts much longer – 30 hours more than Viagra, in fact.

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Generic Cialis and generic Viagra make a simple and efficacious way to solve male impotence, a problem that some of us have to face. A healthy and normal love life is essential for a couple. memory loss is no reason why you should lack it. Buy Cialis or Viagra now and your problem will find its solution. According to the studies, Cialis has proved effective in 80% of the men who suffered from erectile dysfunction, so there are high chances it will also work for you.

Viagra keeps a little girl alive.

DAILY doses of impotency drug Viagra are keeping a four-year-old girl alive.

She suffers from idiopathic pulmonary arterial hypertension, a rare disease which makes it difficult for her to breathe. She was diagnosed with the disease in April and since then has had to take Viagra every day to dilate her blood vessels and reduce pressure on her lungs.

She cannot attend kindergarten like other children and has to take Viagra and breathe oxygen to stay alive, the Fujian-based Southeast Express reported yesterday.

“When the disease was diagnosed, I applied for a long holiday so that I can help her,” her father Liu Zhangfeng, who works as a teacher, was quoted as saying.

The girl’s parents were told adults had at most three years to live after contracting the disease, children even less time.

The monthly income of the family is reportedly less than 2,000 yuan (US$294) and most of this comes from the mother who sells clothes at night from a street stall.

A packet of Viagra costs the family 495 yuan and only lasts 10 days. Some new pills prescribed for the girl cost 250 yuan a day, the father said, but they had liver-damaging side effects.

At 5pm every day before her mother Zhou Qiaoli starts for work, the “considerate” girl reportedly puts Zhou’s shoes by the door. She collects empty bottles and waste paper to raise money.

She is a “bright child” who can recognize the national flags of several countries and paints and sings at home. She has never cried over her treatment, the paper said, but burst into tears when told she could no longer go to kindergarten.

Before Taking Viagra.

What can we call Impotence?

Not only the complete lack of sexual reactions but also the difficulties on achieving and maintaining erection.

What should we know about Viagra?

Viagra is a medicine, so it can be used only with caution. There’s a long list of medications that are dangerous to be taken with Viagra, because of this if you’re on Viagra and you need to take any other drugs, doctor must be consulted first.

How is acting?

The Viagra increases the efficiency of hormones produced by sexual desire, which will cause better blood supply in penis, relaxing smooth muscle.
So if there’s no desire, Viagra is useless.

It is true that 16 people died because of Viagra?

According to rumors, yes, but they probably didn’t pay attention to the contra-indications (interaction with nitrate medications) or they overdosed viagra. Any medication can cause death if overdosed. It cannot be taken more than one viagra pill daily.

If I have normal erection but I want it to be better and more frequently can I take Viagra?

No. In this case viagra is strictly prohibited. It can overload your organism. If something works well why the risk to ruin it?

Is it true that Bob Dale, USA senator, took part in Viagra experiments?

Yes. Bob Dale has prostate-cancer and to cure it, he had to take female hormones, which caused him erection problems. He was helped by viagra. Of course he respected the dosage.

Are men affected psychically if they can make love only with a pill trough a lifetime?

The answer is in the question! Most of therapists say that Viagra can be useful temporarily but the long-term usage isn’t indicated. It damages the self-confidence if somebody can make love only with a medication, the person can feel that he is less valuable as a man than others.
But it’s better to have a pill than nothing. The self-confidence is even more damaged if somebody can’t make love at all, so it happens often that this blue pill has positive effects on men’s morale too.

Have the Viagra side effects?

Yes. Sometimes it can cause headache, low blood pressure, nausea and even color diffusion. There were cases when the patient’s perception of blue and green colors was switched by the viagra.

So Viagra can be used as a narcotic too?

Only sometimes because regularly Viagra doesn’t acts in this way. Viagra is a medication not a dope and it’s over dosage is very dangerous. Anyway it’s better to avoid any kind of narcotics.

How many men are struggling with this problem?

According to estimative numbers in USA, Europe and Japan are 50 million men suffering in impotence.
Apparently this is another modern-age disease. Sexual-therapists are saying that the “spread” of impotence is caused by the subsistence, stress, sex without emotion and alcoholism.

Viagra and women. The drug eases some sexual problems for women taking anti-depressants

Viagra is well established for treating male impotence. A new study slated to appear in the Journal of the American Medical Association suggests the drug can also relieve some sexual difficulties in women caused by antidepressant use.

Women and men taking antidepressants called serotonin reuptake inhibitors sometimes experience a fading libido. An estimated 30 to 70 percent of people taking these antidepressants register sex-related complaints at some point. SRIs include Prozac, Paxil, Zoloft, Lexapro, Celexa and Anafranil.

In women, this change can be compounded by decreased genital sensitivity, vaginal dryness, delayed or absent orgasms and general dissatisfaction with sex.

Viagra, also called sildenafil citrate, has been a blockbuster drug for men with sexual dysfunction and for its maker, Pfizer Inc. But Pfizer largely gave up on testing Viagra in women four years ago after thousands of women receiving it had failed to register much effect.

The company did continue to fund research for certain subgroups of women for whom the drug might still have potential, including those in the new study who were taking SRI antidepressants.

In men, Viagra boosts the natural effect of nitric oxide, which induces blood vessels to relax and facilitates blood flow to the penis, causing an erection. In women, blood vessels in the vagina and clitoris also swell in response to the drug, but studies in women had failed to show clear gains in sexual function.

Viagra doesn’t directly enhance libido. Scientists have suggested that the drug didn’t work on women because their cascade of arousal, desire and orgasm is more complicated than men’s.

Indeed, the results of this study might not be applicable to other women, the authors say. It remains unclear why Viagra would work for women taking anti-depressants, but not for other women. “The bottom line is we don’t know for sure,” says study coauthor Julia Heiman, a clinical psychologist who is director of the Kinsey Institute at Indiana University in Bloomington. But these women might have been more motivated than women in previous studies. “We were giving this drug to women who wanted this to change,” she says.

Using newspaper advertisements, postings and referrals, Heiman and her colleagues recruited 100 women, ages 18 to 50, who reported having sexual difficulties while on an SRI. None had pre-existing sexual troubles. The researchers randomly assigned half of the women to get Viagra and half to receive a placebo. They instructed the women to take a pill one or two hours before having sex.

The women recorded their experiences in diaries and each woman met with a researcher four times during the eight-week study, including visits at the start and finish. These discussions and the diary entries enabled doctors, using a standardized set of questions about sexual interactions, to come up with a composite score of sexual function for each woman before the study and after the eight weeks had elapsed.

While the women taking placebos registered only a very slight improvement overall in benchmarks of sexual function, women receiving Viagra reported significant gains, the researchers report in the July 23/30 JAMA. In particular, the women said their ability to reach orgasm and their orgasm satisfaction improved markedly. Other aspects of sexual function — arousal, desire and natural vaginal lubrication — improved less.

The work represents the first randomized trial to show a positive effect from Viagra in women with SRI-linked sexual problems, the researchers note. Earlier studies in which participants knew they were receiving the drug had also suggested Viagra might work in this group.

“This study doesn’t come completely out of the blue,” says John Markowitz, a psychiatrist at the New York State Psychiatric Institute in Manhattan. The findings reflect a clinical concern that doctors have with these anti-depressants. Sexual dysfunction “is probably the Achilles heel of SRIs,” Markowitz says. Although Viagra isn’t approved specifically to be prescribed for women, he says, “doctors have been doing it for a long time. This provides some evidence to back up what I suspect is a widespread practice.”

Women who experience sexual side effects while taking antidepressants are three times as likely to stop taking SRIs as are other women on these antidepressants, previous research showed. Women participating in the new trial continued to take SRI antidepressants during the eight-week test period.

Heiman cautions that the trial was relatively small with significant but modest effects. It doesn’t suggest a broad new standard for women who have sexual troubles. “For this subgroup of women, this approach could be somewhat helpful, and could be enough to make a difference,” she says.

Meanwhile, other studies continue to search for a “pink Viagra,” centering on women’s use of testosterone patches, a combination estrogen-testosterone pill, and Wellbutrin, an antidepressant that acts differently from the SRIs.

Viagra Cialis Levitra: Ed Treatments Compared

Viagra, Cialis and Levitra have taken over the erectile dysfunction (ED) market. In fact, Viagra alone is breaking all sales records for prescription drugs of any sort.

Not surprisingly, the triad - Viagra / Cialis / Levitra - are the most purchased products online, leaving old technology like penile implants and vacuum pumps in the dust.

This Viagra / Cialis / Levitra buying frenzy confirms at least two things:

Sex is still the main preoccupation of the human race. Other treatments for erection problems are considered clumsy and prehistoric by comparison.

To really understand why Viagra / Cialis / Levitra have become so very popular, you need to know a little about the other ED treatments and how they work. Only then can you truly appreciate the advantages of the “magic blue pill”.

Time Travel

For a moment, let’s go back to 1997, the year before Viagra came on the market. Let’s go back to a time before Viagra / Cialis / Levitra were readily available.

The Dark Ages.

A time when an impotent man had only a few ways to treat his erection problem and not very appealing ones at that… at least, not as appealing as popping a pill and getting an erection within minutes.

Alternatives to Viagra / Cialis / Levitra

Testosterone Replacement Therapy:

ED can result when a man’s body ages and starts producing less testosterone. Testosterone replacement therapy can improve his ability to achieve and maintain an erection.

It is taken either by intramuscular injections every 2 to 3 weeks, a testosterone gel, a patch worn on the body, or a sticky material applied to the gums.

This ED treatment is considered very safe but there are some side effects, and testosterone therapy cannot be used by men with prostate or breast cancer.

Penile Injections:

They’re called intercavernosal injections and they involve injecting medications into the chambers of the penis to help achieve and maintain an erection. Penile injections can be effective but are not widely used because the needles are painful, may scar the penile tissues, and may cause priapism (an erection that won’t go away.)

Penile Suppositories:

Pellets full of medication are inserted into the urethra. Like injections, they are an unpopular alternative to Viagra / Cialis / Levitra because the suppositories may cause pain, bleeding and dizziness. The female partner may also have a reaction to the medication.

Vacuum Devices:

These mechanical devices involve a tube placed over the penis and a pump that sucks the air out of the tube. This creates a vacuum that draws blood into the penis and expands it long enough to have sex.

The technique works for most men with erection difficulties and has few side effects, but spontaneity and romance are often lost in the process.

Surgery:

Surgery for ED is usually considered as a last resort when other options have failed. The surgeon implants rods (either flexible or inflatable) that the man can manipulate to make the penis erect when needed. Mechanical breakdowns and infection are possible complications.

Surgery can also be used to open up blocked arteries and veins that deliver blood to the penis. This surgery is more useful for young men who have suffered injuries, less successful for older men with very blocked arteries.

Counseling: Psychological therapy helps to decrease feelings of anxiety a man might associate with the sex act. This method requires patience, as it may take time, and the partner’s full cooperation and participation.

Lifestyle Changes:

This involved changing or controlling the factors that contribute to erectile dysfunction: medications that produce ED as a side effect, high blood pressure, smoking, alcohol and substance abuse, excess weight, diabetes, depression and anxiety.

Summing Up

Depending on the causes of a man’s ED and his health condition, any of the above treatments may be prescribed by his doctor or urologist. But more and more men and their doctors are turning to the triad - Viagra / Cialis / Levitra - as appropriate and convenient treatments for erection problems when prescribed and used correctly.

Viagra, Cialis and Levitra

These are considered the best erectile dysfunction (ED) treatment pills and they are the top rated drugs in the male impotence category. Viagra is considered as the #1 ED pill, Cialis comes next, and last but not least Levitra. The three are FDA-approved prescription drugs that are mainly used to treat erectile dysfunction (male impotence) in addition to some other conditions, such as pulmonary arterial hypertension (PAH) and others.

The generic name of Viagra is Sildenafil Citrate. Viagra is a little blue pill that starts working within 30 minutes (lees or more) and lasts for about 4 hours. Viagra tablets come in three strengths (dosage): 25 mg, 50 mg, and 100 mg.

Cialis (generic name: Tadalafil) is better known as the weekend pill because it can last up to 36 hours of hardness! The strengths of Cialis tablets are: 5 mg, 10 mg, and 20 mg.

Levitra has the generic name Vardenafil. Levitra doses come in four strengths: 2.5 mg, 5 mg, 10 mg, and 20 mg with an effect that can last for approximately 4 hours.

These three drugs work by the same means and they have almost similar side effects, of which the most common are headache and facial flushing.

Follow your doctor’s directions as described in your prescription when taking any of these drugs and seek immediate medical attention if you experience any unusual side effects.

Tenth anniversary of Viagra prompts vital discussion on men’s health

The world’s most recognized drug by name, Viagra, is this year celebrating 10 successful years on the market, prompting a major discussion around the implications and importance of the treatment in the Middle East.

The leading medication, best known for its treatment of erectile dysfunction (ED), has been used by more than 35 million men in over 120 countries. More than 1.8 billion ‘little blue’ Viagra tablets have been consumed.

A major meeting of the Africa Gulf Society for Sexual Medicine in Cairo this week discussed the medical, emotional and social impact of the treatment.

The break-through treatment has been a market leader in the Africa and Middle East region since its introduction onto the market. The Kingdom of Saudi Arabia and the United Arab Emirates can claim to be the region’s largest per capita consumers of Viagra.

“The treatment has transformed the lives of millions of couples worldwide since its launch ten years ago, and has also had a profoundly positive medical impact in Africa and the Middle East region. Even as we predict greater numbers of men with ED in the coming decades, Viagra has already well-established itself as the ‘gold standard’ treatment for erectile dysfunction,” said Prof. Khaled Dabees, President of Africa Gulf Society of Sexual Medicine.

Continued safe and effective ED treatment worldwide is critically important, said Dr. Dabees, because the number of men diagnosed with ED will increase from 152 million in 1995 to 322 million by the year 2025.

“Viagra has dramatically changed the way people think and talk about sexual medicine,” said Dr. Amr Gad, Riyadh-based President of the Saudi Andrology Group. “Men once hid their crippling ED conditions; now they feel much more comfortable approaching their doctors and speaking up about their frustrating ED symptoms and much earlier than ever before.”

Cairo-based Prof. Tarek Anis, President of the Pan Arab Society of Sexual Medicine, adds that Viagra’s impact on quality of life has been studied extensively, and findings demonstrate clearly that satisfaction with sex life is closely related to satisfaction with life in general both for the man being treated with Viagra and his partner.

The safety and efficacy of Viagra has been well documented in more than 120 clinical studies, including 67 double-blind, placebo-controlled trials of more than 14,000 patients. Viagra has been approved by regulatory authorities in over 120 countries and is among the world’s most widely-prescribed medications.

In response to Viagra’s position as probably the world’s most copied drug, Pfizer has said that it remains committed to the global fight against the counterfeiting of medicines of any kind, as counterfeit drugs are often very dangerous to consume, in addition to being a legal infringement on the intellectual property rights of the drug’s maker.

Chilean town giving free Viagra to senior citizens

SANTIAGO, Chile (AP) — A working class suburb of Chile's capital began handing out free Viagra to senior citizens on Wednesday. Lo Prado Mayor Gonzalo Navarrete said he launched the program because "an active sexuality improves the overall quality of life."

About 1,500 residents of the working-class area are eligible to receive as many as four pills of the erectile dysfunction drug each month, the mayor said. They have to be at least 60 and be registered with the municipality's health service.

"A doctor will have to certify that they suffer from erectile dysfunction and that their condition would not put them in danger of suffering cardio-respiratory side effects," Navarrete told The Associated Press by telephone.

He said he has assured about US$10,000 (euro6,400) in financing for the program through the end of the year.

Some government insurance plans in the United States and elsewhere provide Viagra, but Lo Prado hands the 50mg pills out free, with no membership in any public or private insurance plan required.

Navarrete said some other mayors in the Santiago area, which includes 34 municipalities, have told him they plan similar programs.

Navarrete said he did not know how many pills had been distributed so far.

Viagra wasn't a hard sell once it caught on. Erectile dysfunction pill has staying power after 10 years

Happy birthday, Viagra.

You celebrated your birthday Thursday after a decade of bringing joy, happiness, peace, understanding, and a jolly good rogering to millions of people around the world.

On mountains and in planes, bedrooms, kitchens and flower shops, you've changed lives everywhere.

In addition to the straight-up benefits of helping a generation of men perform without pressure, Viagra, a.k.a.

sildenafil, has thrust its way into other areas.

Viagra has tackled jet lag (just in hamsters so far), boosted soldiers' cardiovascular performance in high-altitude

areas of Afghanistan, and extended the life of cut flowers.

It's become firmly established in the popular culture, earning the nickname Vitamin V.

Even the kids are doing it -- dropping E (ecstasy) and V in something called a trail mix, which is meant to heighten

arousal and make you a better dancer. It's certainly not advisable but, hey, it's worth noting.

Viagra has also infiltrated bookstores.

Take, for example, The Rise of Viagra: How the Little Blue Pill Changed Sex in America, by sociologist Meika Loe (New

York University Press, 2004), and Hard Sell: The Evolution of a Viagra Salesman, by Jamie Reidy (Andrews McMeel

Publishing, 2005).

In addition to their clever titles, both books offer some worthy information.

The former book explores the marketing of the little blue pill that established erectile dysfunction as a common

disorder.

Hard Sell, written by a former pharmaceutical sales rep for the industry giant Pfizer, documents a career spent

pushing the little blue soldier and other medications in the competitive world of prescription drug sales.

A movie based on the book is now in development.

Yes, Viagra's got staying power.

We can thank a team of chemists at a Pfizer pharmaceuticals research lab in Kent, England, for stumbling on Viagra's

unintended side-effects.

Viagra a fantastic drug!

I had my first experience with Viagra last month. I am 45 years old male and for the past few years I have had trouble maintaining an erection. I haven’t got any health problems and I am in a rather good condition. I was told to take 100 mg Viagra dose, but I decided to start with 50 mg and see what happen. After about half an hour I noticed a flush feeling in my face. At least I had no trouble getting and maintaining my erection. I was really hard and big and my penis looked like a rock. Now I take Viagra each time I need with all the time the same great effect. I noticed the bigger result on empty stomach and with no alcohol. Viagra is really a fantastic drug! The user of Viagra.

The erectile dysfunction drug Viagra may have found a new, potentially life-saving use in hospital pediatric intensive care units, researchers report.

Australian researchers gave the drug to 15 babies with congenital heart disease who were being weaned from inhaled nitric-oxide therapy, a treatment that ICUs use to help these infants survive.

The researchers found that a dose of Viagra prevented a common life-threatening complication called rebound pulmonary hypertension. They also found that it significantly reduced the amount of time the babies spent on mechanical ventilation and in the ICU.

"Rebound pulmonary hypertension is a very common problem," said Dr. Steven Abman of The Children's Hospital in Denver, who was not part of the study. "This is the most rigorous study that's ever been done to demonstrate that Viagra can prevent this complication."

The study results were published in the November issue of the American Journal of Respiratory and Critical Care Medicine.

Viagra is useful for treating both erectile dysfunction and preventing rebound pulmonary hypertension because it affects pathways involved in both conditions.

"Viagra enhances the body's levels of cyclic-GMP, a naturally occurring substance that relaxes arteries and reduces their pressure, which is why its primary indication is for men with erectile dysfunction," explained the study's lead researcher, Dr. Lara Shekerdemian of the Pediatric Intensive Care Unit at the Royal Children's Hospital in Melbourne.

"However, cyclic-GMP is abundant in the lungs and is the molecule via which nitric oxide acts as a dilator of pulmonary arteries," Shekerdemian said. "That's why its use was explored in the setting of pulmonary hypertension in the newborn."

In the study, Shekerdemian and colleagues gave a single dose of Viagra to 15 infants with congenital heart disease who were undergoing withdrawal from nitric oxide, which is used to relax pulmonary blood vessels in mechanically ventilated lungs. Another 14 infants undergoing withdrawal were given placebo.

None of the Viagra-treated infants developed rebound pulmonary hypertension compared to 10 of the placebo-treated infants. After more than 24 hours, all of the infants who developed rebound hypertension were given Viagra during a subsequent and successful attempt to wean them from nitric oxide.

The Viagra-treated infants also spent less total time on a mechanical ventilator than the placebo-treated infants -- a little over 28 hours compared to 98 hours -- and had a considerably shorter stay in the intensive care unit (47.8 hours vs. 189 hours).

"Although we expected to see an avoidance of rebound, we were not expecting to see these additional benefits," Shekerdemian said. "Any intervention that smoothes their course in the intensive-care unit would have at least a short-term positive influence on their recovery from their underlying condition."

Unless there's some reason for not using Viagra, Shekerdemian said that it should be routinely used as infants are weaned from nitric oxide. "We certainly do so now in our pediatric intensive-care unit," she said.

Many hospitals are already doing just that. "I think it already has become standard clinical practice, because the idea of using Viagra for this is not new," Abman said. "What's new is that this is the first study to look at it with a nice protocol in which they randomized patients and controlled in a blinded way. So it verifies what we've already been doing in clinical practice."

Shekerdemian and her team are now conducting a similar study in the Royal Children's Hospital's Neonatal Intensive-Care Unit to see if Viagra can prevent rebound pulmonary hypertension in premature infants.

Viagra Helps COPD Patients Control Pulmonary Blood Pressure

The drug sildenafil, popularly known as Viagra, may help people with chronic obstructive pulmonary disease control the illness-related blood pressure spikes in the heart's pulmonary artery, a new study found.

The medication, in addition to its use as a popular treatment for impotence, has already been approved by the U.S. Food and Drug Administration for the treatment of the chronic version of such blood pressure spikes, known as pulmonary arterial hypertension (PAH). The drug has been marketed specifically for this purpose under the trade name Revatio. Another drug -- bosentan -- is also approved for similar purposes.

The new research suggests that sildenafil may help all chronic obstructive pulmonary disease (COPD) patients -- even those not diagnosed with full-blown PAH -- who experience potentially dangerous pulmonary arterial blood pressure increases both at rest and following exercise.

The research was led by Dr. Sebastiaan Holverda of the department of pulmonary medicine at VU University Medical Center in Amsterdam, the Netherlands. Holverda and his VU colleagues were to present their findings Wednesday at a Salt Lake City meeting organized by the journal Chest.

According to the American Lung Association, COPD is actually a catch-all for two lung diseases that often strike in tandem -- chronic bronchitis and emphysema. In both cases, airflow is obstructed, impeding normal breathing.

Smoking is the leading cause of COPD, responsible for between 80 percent and 90 percent of all cases in the United States. More than 11 million Americans are estimated to have the illness, and more than 122,000 die from it each year. Women appear to be slightly more at risk than men.

There's no known cure for the disease, and medications primarily take aim at symptom relief and slowing the progressive disability the illness brings.

Pulmonary hypertension -- the incurable condition of continuous high blood pressure in the pulmonary artery located in the right ventricle of the heart -- is one of many serious complications that can strike COPD patients. PAH causes the artery, which is responsible for delivering blood from the heart to the lungs, to work harder than normal. A weakening of the heart muscle can ensue over time, increasing the risk of heart failure and even death.

The Dutch researchers noted that pulmonary hypertension is typically mild to moderate among COPD patients but is particularly aggravated while exercising.

Faced with the combined COPD-PAH threat, the Dutch team explored the potential benefit of treating at-risk chronic obstructive pulmonary disease patients with sildenafil both while at rest and during exercise. The drug works by shifting the activity of an enzyme called phosphodiesterase, reducing arterial blood pressure by dilating the smooth muscle of blood vessels that line the lungs. As these vessels expand, blood flow increases, the researchers explained.

The study authors focused on 12 patients who had been diagnosed with chronic obstructive pulmonary disease and were suspected of having PAH. Throughout the study, right heart blood pressure was tracked among all 12 patients by inserting a thin plastic tube into the pulmonary artery -- a procedure known as cardiac catheterization. Cardiac blood pressure was measured at rest and just after all the patients cycled for three minutes.

Then, the study participants were given 50 milligrams of oral sildenafil; 45 minutes later, resting and post-exercise blood pressure readings were taken again.

Holverda and his colleagues found that half the patients had PAH. But, both non-PAH and PAH patients experienced significant cardiac blood pressure increases when exercising.

Sildenafil appeared to control such increases after exercise, reigning in pulmonary blood pressure to markedly lower levels -- higher than at rest, but lower than non-medicated post-exercise readings. And, the non-PAH patients appeared to experience pulmonary blood pressure reductions after taking the drug, both while resting and exercising.

The authors concluded that the drug may help COPD patients -- whether they have developed PAH or not -- quickly control their pulmonary blood pressure in some situations.

Dr. Bartolome R. Celli, chief of pulmonary care at St. Elizabeth's Medical Center in Boston, applauded the Dutch study but called for more research.

"Pulmonary arterial pressure -- when it is elevated -- is a poor prognostic sign and reducing its levels should be of help," he said. "However, more testing is needed to see if those changes in pulmonary arterial pressure are translated into better clinical outcomes and not into any unwanted side effects."

Dreams and Erections

The average male has four to eight spontaneous erections every night while he sleeps. They usually occur during the REM stage, when dreaming is most common.

When a doctor wants to know whether a patient's difficulty achieving an erection is due to physical or mental reasons, one way to find out is to fit the patient's penis with a sensor and see whether or not the patient's dream erections are working properly. If not, the problem is probably physical.

History of Viagra

Viagra was initially developed a heart condition called angina, during the testing period for this drug it was found to give an erection to men. The drug was patented in 1996, approved in 1998 making viagra the first official drug to treat erection problems and being made available for sale later that year. The success of this drug is over whelming. You can get viagra on perscription from your doctors or on numerous websites after consultation (a mere questionaire). The fact is, it has improved the sex lives of millions men and women around the world. Annual sales of Viagra in the period 1999 - 2001 exceeded .750,000,000.

It was first thought that Viagra would lead to a drop in the market for traditional remedies which came from specific body parts of endangered species. This is highly unlikely as the traditional remedies is a treatment not just for erectile dificinency e.g. the Rhinoceros horns are used for high fever. Further on it is unclear that natural remedies will be able to compete with Viagra, due to its aphrodisiac properties.

Since Viagra's release, there has been an increase in 'fake viargra' being sold on the interne which looks like viagra (blue diamond pill) will the companies name, Pfizer engraved on it. These have proven to be dangerous and you must be careful where you buy viagra. Check out our purchasing viagra guide.

Pfizer's worldwide patents on Viagra will expire in 2011 - 2013. The UK patent held by Pfizer on the use of Viagra as treatment of impotence has been invalidated in 2000 because of obviousness; this decision was upheld on appeal in 2002.

Viagra and the Mountains

Researchers Say the Drug May Help Performance at High Altitude, Help Soldiers Fight in Afghanistan

As the commercials continually remind us: Viagra is all about performance.
Now it turns out, that's not just referring to in the bedroom.
Researchers say the drug, approved for erectile dysfunction, could eventually help some athletes train at high altitudes and soldiers fight in the mountains of Afghanistan.
In a study at Stanford University, some volunteers riding stationary bicycles and breathing through masks to simulate the low oxygen conditions found at 12,700 feet, improved their times for six kilometers by an average of 39 percent after taking Viagra.
The drug, which became an instant blockbuster for Pfizer in 1998, works by causing blood vessels to relax - not only in the penis but in the lungs.
Last year, the company won approval for the drug, also known as sildenafil, to treat a medical condition called pulmonary hypertension, or high fluid pressure in the lungs. Pulmonary hypertension is also one of the effects of exercising in oxygen-poor environments such as high altitudes.
"It provides a pretty clear advantage to some people," said Annie Friedlander, the senior author of the study, which appears in the Journal of Applied Physiology.
It does not help everyone. Only four of the 10 riders saw their times improve - 10 minutes, 48 seconds with Viagra compared to 15 minutes when they took a placebo.
Researchers are not certain why only some volunteers responded to the drug, but they noticed that they were the ones whose times had suffered the most at high altitudes. Viagra, it seems, allowed them to make up the performance they had lost.
None of the riders saw any improvement from the drug at sea level, and none reported an erection during the trials.
The next step: The U.S. military plans to test Viagra, at high altitude, on about a dozen soldiers later this summer.

Women can benefit from Viagra

Viagra may help some women
Women can benefit from taking the impotence drug Viagra, scientists have claimed.

Research by a team from the University of Boston has found that the drug can benefit women who have had a hysterectomy or who have gone through the menopause.
In both cases, women experience a loss of production of female hormones that can lead to sexual problems, such as loss of sensation and lubrication.
Dr Jennifer Berman tested the drug on 17 women who had either had a hysterectomy or gone through the menopause.
Each woman got either Viagra or a dummy pill, and three months later the women who got Viagra were switched to a placebo and the women who had been given sugar pills got Viagra.
Dr Berman and the patients did not know which woman got which pill until the end of the study.
Viagra, whose technical name is sildenafil, works by increasing the effects of nitric oxide, a common body chemical, which in turn gets more blood flowing into the genitals.
Dr Berman, who will present her findings to a meeting of the American Urological Association, said: "Sildenafil did appear to significantly increase blood flow and pH and pH is an indicator of lubrication."
"Subjectively, with regard to lubrication, sensitivity, the ability to have orgasm, and satisfaction, the women noted a significant difference."

Emotional problems
Dr Berman has carried out another study at Boston University with 48 women, aged 22 to 71.
While not so carefully controlled - the women all got Viagra and knew it - there was a statistically significant difference.
She said: "It does appear to be Viagra because there are physiological changes that can't be faked."
However, Viagra failed to work for women in the second study who had psychological problems with sex.
These included poor body image, a history of sexual abuse, or marital trouble.
Dr Berman said: "Those women don't respond to Viagra or any drug.
"Although there are physiological, medical reasons why women have sexual complaints, there are emotional and relational consequences to sexual dysfunction that are relevant to women."
She added that it was more difficult to tell if a woman had sexual problems.
"While men can define their sexual function in terms of rigidity, for women it doesn't work that way," she said.
Pfizer, the manufacturers of Viagra, say that seven million prescriptions have been written for the drug worldwide since its launch last year.

Viagra improves sex for postmenopausal women

The findings come from a study led by Jennifer R. Berman, MD and Laura A. Berman PhD.
Pfizer Inc (maker of Viagra) funded the study which monitored 200 postmenopausal women with FSAD (female sexual arousal disorder).
100 women received Viagra while the other half were on a placebo. More women on Viagra (than the placebo) reported better sexual (more sexual) satisfaction. Some of the women on the placebo also reported an improvement (lower number than those on Viagra).
All the women who had hypoactive sexual desire disorder (HSDD) as well as FSAD reported no improvement at all.
The most common problem for women with FSAD is genital blood flow (which Viagra seems to be able to help). Women with HSDD have underlying emotional or relationship problems which lead to a reduction in sexual desire.
'Unresolved emotional or relational issues should be addressed before beginning medical therapies,' Berman her colleagues said (December issue of The Journal of Urology).
Those in the study included women who were postmenopausal (or had had a hysterectomy), aged from 30-71 (average age 51).
Two questions (asked after the women had taken the Viagra of Placebo) the team focussed on were:
1. After taking the study medication, the sensation/feeling in my genital (vagina, labia, clitoris) area during intercourse or stimulation seemed to be: (a) more than before, (b) less than before, or (c) unchanged.
2. After taking the study medication, intercourse and/or foreplay was (a) pleasant and satisfying; better than before taking the study medication; (b) unpleasant; worse than before the study medication; (c) unchanged; no difference; or (d) pleasant but still not like it used to be or I would like it to be.

Regarding Question 1 the results were:
Placebo patients: 44% reported an improvement
Viagra Patients: 57% reported an improvement

Regarding Question 2 the results were:
Placebo patients: 26% reported an improvement
Viagra patients: 42% reported an improvement

However, of the patients (on Viagra) with sexual arousal disorder who did not have HSDD 68% reported an improvement on the first question (eight times more than women without HSDD who were on the placebo).
In addition, of the patients (on Viagra) with sexual arousal disorder who did not have HSDD, 50% said there was an improvement in question 2 (11 times more than the non-HSDD women on the placebo).
The authors also said that women who respond to Viagra may need to have normal levels of oestrogen and testosterone. For many postmenopausal women, that may mean menopausal replacement therapy. In the present study, the women had normal hormone levels or were receiving menopausal replacement therapy.

Raising the issue of Viagra costs- who should pay?

Imagine a new drug that could restore some lost physical ability, at least for a few hours. Then imagine that this new drug costs $10 a dose, and could be used by millions of people. Viagra fits this description, of course, and its magic is to restore virility to impotent men-albeit for a few hours at a time. Viagra is predicted to be a billion-dollar seller for Pfizer in its first year of sales, and that means someone is paying for all those $10 pills.
Some managed care companies have announced that they will not pay for Viagra based on its high cost, but it is hard to imagine them making a similar decision about an equally expensive drug that cured a specific type of cancer or reversed paralysis. Would there be hesitation to cover a drug that would restore the use of paraplegics' legs, even if each pill cost $10 and its effects diminished after a few hours? No doubt we would consider it a miracle and a bargain. So why not Viagra?

Who needs lifestyle drugs?
Part of the motivation for denying payment for Viagra is the perception that it doesn't cure or even treat illness or disease, and that the functions it temporarily restores are not life-threatening or critical enough for it to make sense to pay for it. Since the group of patients who could use Viagra are a fast growing part of the male population (as our population ages), managed care companies see it as a bank breaker. A pill to temporarily "cure" paralysis would be a miracle to those who would use it, but their numbers would be thankfully small. That Viagra is beneficial for so many men is exactly why payers are reluctant to cover it.
The future will likely offer many new drugs like Viagra: expensive drugs that have lifestyle benefits without actually curing an illness or disease. We might be comfortable drawing a line between paying for curative treatments and those that are "cosmetic," and asking individuals to pay for cosmetic treatments themselves. So is Viagra cosmetic, curative, or both?

Paying for lifestyle treatments
Fertility treatments like in-vitro fertilization (IVF) are not usually covered by insurance because it is considered medically unnecessary. But it improves life in a way that restores a normal function- offering some infertile women the possibility of having a child. Neither Viagra nor IVF are like cosmetic surgery, but both can be used in a "cosmetic" way by people who don't have a medical need for them: IVF for women who want to select specific traits for their children, and Viagra for men who think it will add vitality to their sex lives.
The difference between using drugs or treatments for medical reasons and cosmetic purposes offers a way to decide which deserve coverage. We should feel even less worried about denying coverage for cosmetic uses when the drug is affordable to most everybody.

Protecting access in the future
As we live longer and healthier lives, our health care needs will become more about treating chronic effects to our health, such as Alzheimer's disease or impotence, than about treatments for heart attacks in middle age. It is important that we protect our access to drugs and treatments that improve our health by protecting normal functions. The key will be determining what counts as normal, and when the same treatments are merely enhancements. The case of Viagra represents only the beginning of what will be more difficult decisions about who pays for the promising treatments of the future.