What is Viagra? Viagra is a brand-name prescription drug that’s approved to treat erectile dysfunction (ED). With ED, you’re unable to have or maintain an erection. Viagra is .This boosts blood flow and helps you get an erection from sexual activity. The patent on Revatio indicated for pulmonary arterial hypertension rather than erectile dysfunction expired in late You may opt-out of email communications at any time by clicking on the unsubscribe link in the e-mail. Remove the cap by pushing it down and twisting it counter-clockwise. If you have erection problems sildenafil works by temporarily increasing blood flow to your penis when you get sexually excited. Generic versions of this low-dose form of sildenafil have been available in the U. This means that the company should always respond to your queries about the product and there should be no hassle while you are trying to get help from them.Viagra Descriptions Sildenafil is used to treat men who have erectile dysfunction (also called sexual impotence). Sildenafil belongs to a group of medicines called phosphodiesterase . What Is Viagra? Viagra (sildenafil) was the first erectile dysfunction pill the FDA approved, back in Like Cialis, it’s a PDE5 inhibitor that increases blood flow to the penis. The difference is that the effects of Viagra don’t last very long (only about four to six hours). Viagra is always taken before an anticipated sexual activity. Ask your doctor Q&A Drug Images What is Viagra? If you have erectile dysfunction (ED), your doctor may recommend that you take Viagra. It’s a prescription drug that’s used in .From Mayo Clinic to your inbox Sign up for free and stay up to date on research advancements, health tips, current health topics, and expertise on managing health. These are the same people who are willing to buy online without testing their body first. Vardenafil usually works for 4 to 5 hours. If you have erection problems sildenafil works by temporarily increasing blood flow to your penis when you get sexually excited. The information provided is for educational purposes only and is not intended to replace discussions with a healthcare provider. There is also the option to take Cialis as needed. About sildenafil Viagra Sildenafil is a medicine used to treat erection problems erectile dysfunction.
How Viagra Works – what is a viagra