The Value of Viagra

Finally there is an answer to millions of men's impotence problem-Viagra. This impotence drug offers a solution to a type of impotence that has been plaguing men from all over the world. Viagra is a brand name given by Pfizer to a drug carrying the generic name Sildenafil citrate. Where to buy Viagra online without prescription? The value of Viagra lies in its ability to block the production of a certain enzyme called phosphodiesterase type 5 (PDE5). You see the secret of erection lies in the effects of nitric oxide. When nitric oxide is released into the cavernous spaces in the penis, an increase in guanosine monophosphate (cGMP) is triggered. The cGMP then makes way for blood to flow into the cavernous spaces resulting to a penis erection. The problem is that production of PDE5 comes hand in hand with the production of cGMP, causing a break down of the latter. The Sildenafil citrate makes up for this bad effect by preventing the production of PDE5. The result is an increase in the effects of the nitric oxide.

Viagra is a good alternative injections and penile implants that are both expensive and highly inconvenient. Buy Viagra in the UK - More so, the drug causes side effects that are as minor as an upset stomach and a few headaches. The drug also boasts of a high success rate. Accordingly, about 60 to 80 percent of men who take Sildenafil Citrate are satisfied with the results, reporting an improved ability not only to have but also to maintain erections. This figure is taken from a study on 3000 men within the age range of 19-87. All of these men are suffering from erectile dysfunction. The causes to the subjects' impotence are either biological (vascular disease, prostate surgery, diabetes milletus, spinal cord injuries, and aging) or psychological. Either way, the drug proved effective.

Interestingly, researchers initially studied the drug Sildenafil Citrate as a treatment for a reduced supply of oxygen to the heart muscle known as angina pectoris. Purchase Viagra 50mg - The researches changed route when test subjects reported improvements in their erections. The drug is now one of Pfizer's best-sellers. This should not come as a surprise. What with 10-20 million suffering from impotence in the US alone.

The good news is that the drug is approved by the United States Food and Drug Administration (FDA). The FDA approval has been in place way back March 27, 1998. Viagra spam messages - Viagra is suited only to those suffering from erectile dysfunction and does not affect the sexual performance of those who are normal in terms of sexual functioning.

Get Viagra tablets online! Though highly effective, this anti-impotence drug is not without its limitations. For one, you must be cautious if you are taking treatments other than the Sildenafil Citrate. One such treatment you cannot take with this drug is the nitroglycerin (or any nitrate-based drug) which is used to alleviate chest pains caused by heart disease. Nitroglycerin, when combined with Sildenafil Citrate, can lower blood pressure to dangerous levels. Because of the risks posed by this anti-impotence drug, countries like Israel, Australia, Japan and Canada are yet to approve the distribution of the drug in their boarders.