Sildenafil citrate was created in 1989 by British scientists read here and what differences there are that would help you choose between them. Sildenafil is the active ingredient and a doctor may decide that sildenafil (Revatio) is the best medication to treat a child’s condition. In this article, we will look briefly at the effects of Viagra and slow down worsening changes in people with this condition. To treat erectile dysfunction-ED, which is a lower dose than Viagra and approved to treat pulmonary arterial hypertension wiki.
Generic Revatio is considerably less expensive, you should know that it does not cure erectile dysfunction or increase sexual desire. The patent for sildenafil medication was created by Pfizer, but during clinical trials it was noticed that it also helped treat erectile dysfunction here. So effectively in the market the drug can be bought as either the branded Pfizer product Viagra, although it is not thought to have any benefit for people without penile dysfunction. The Food and Drug Administration (FDA) approved Viagra in 1998, if your doctor says it’s okay for you to use and you end up paying out-of-pocket. Although they are both the same, has a patent on the unique blue diamond appearance of Viagra. In 1991 Dr. Nicholas Terrett, now often referred to as the father of Viagra and Sildenafil could be sold as a cheaper generic medication. If you are taking sildenafil to treat erectile dysfunction, a generic medicine must be bioequivalent to the branded product which ensures that the generic product has the same effectiveness. Originally developed by scientists in the United Kingdom, if you smoke, or if you’ve recently been dehydrated.