So let's uncover what really VIAGRA is.

supplemental resources, or to put it into chemical language, sildenafil citrate from PDE5 inhibitors class, was initially produced by Pfizer Inc. for sufferers with angina and ischemic heart problems in early 90s. Through the clinical tests it was established that VIAGRA had been successful in stimulating blood circulation in the pelvic region, resulting in a man's erection. This is how VIAGRA became an Erectile Dysfunction therapy.

Since its approval in 1998 and until nowadays, sildenafil citrate has helped millions of desperate men, who could never desire obtaining their manly power back, truly, recover this power. On the other hand, the look of VIAGRA caused a violent indignation of those hopeless men who could not be helped with also the brand-new medicine. For this reason, lots of fiction was constantly created. And this fiction passed from to another, tying the drug up with a bulk of semi-true or fictitious features.

Viagra is a medicine that helps men realize and maintain erection that is essential to have sex. If sex dysfunction appears to be your difficulty, Viagra is the best way to fix it. Now let's understand some facts about how Viagra has been devised. In 1992 in Britain new treatment called sildenafil citrate was tested.

It was a drug intended to treat cordial diseases. Some interesting aspect effects were found, although the remedy was unlucky to proceed. Sildenafil citrate caused radical enhancement of the patients' erections. Since then this medication is better known as Viagra. Having been critically tested once more, Viagra was accepted by US Food and Drug Administration in

1998. By now the Viagra sales volumes reached billion pills all around the globe. Viagra sales are growing daily. This year Viagra sales have been raised by 30 percent in comparison to last year. In fact Viagra has been greatly recompensed during just a year.

Relationships - HIV patients on protease inhibitors should discuss using Viagra with their physicians - protease inhibitors boost the likelihood and seriousness of side effects. Specialists say such patients should have no more than 25mg, and not more frequently than every 48 hours.

Make sure they take that drug and Viagra at least four hours aside, to prevent low blood pressure, if the individual is using alpha blockers.

Contraindications - the next individuals should not take Viagra (or verify with their physicians first):

Those on nitric oxide donors, nitrates and natural nitrites
Men who are advised to refrain from sexual activity because of a cardiovascular risk factors
Individuals with serious hepatic impairment
Patients with kidney disease
Individuals with low blood stress (hypotension)
Those who had a recent heart attack
Those who had a recent stroke
Individuals with genetic degenerative retinal disorders