BRAND VIAGRA
Pfizer Viagra is used to treat ED (erectile dysfunction) in men.
Drug Uses
Pfizer Viagra is used to treat erectile dysfunction (ED) in men by increasing blood flow to the penis. This enables a man to achieve an erection, and maintain it, for successful sexual intercourse.
How Taken
Pfizer Viagra should be taken half an hour to one hour prior to sexual activity. The effects of Pfizer Viagra can last up to four hours. Do not take more than one dose per day.
Drug Class and Mechanism
Pfizer Viagra is a phosphodiesterase type 5 inhibitor that works by assisting the blood flow to the penis.
Missed Dose
Pfizer Viagra is used when required so this is not applicable.