Viagra is one of the world's most counterfeited medicines.[88][89] According to a 2012 Pfizer study, around 80% of sites claiming to sell Viagra were selling counterfeits.[87]. WhatisViagra?Viagra is usually taken only when needed, 30 minutes to 1 hour before sexual activity. You may take it up to 4 hours before sexual activity. Viagra often comes first when thinking about improving erections and performance. But whatisViagra used for other than ED? Read along to learn all its uses. So what causes this absence of sexual desire, and how might Flibanserin help? Women clearly aren’t alone in hitting against sexual problems as they age; the popularity of Viagra is a... WhatIsViagra and What Does It Do? Viagra is the common name for the molecule sildenafil citrate, a powerful phosphodiesterase inhibitor. What does Viagra contain? The active ingredient in Viagra is sildenafil citrate. "Viagra" is the trade name used by Pfizer.No, Viagra is not banned, but it is available by prescription only. Content posted on, created for, or compiled by Lybrate is not intended or designed to replace your doctor's independent judgment about any symptom, condition... Whatis erectile dysfunction?They know your medical history and can discuss whether you might benefit from treatment. If you choose to buy sildenafil (Viagra) on the internet, make sure The stages of an erection can be described as follows: Softness (Flaccidity). This is the natural state of the penis when it is limp and soft (flaccid).
