The discovery and development of Viagra (sildenafil citrate)

Viagra was approved by the FDA on Ma. British scientists working for Pfizer first created the drug in 2024. Since then three major competitors for Viagra have been approved Find patient medical information for Viagra oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. invention of viagra Viagra is a brand-name prescription medication. It s approved by the Food and Drug Administration (FDA) to treat erectile dysfunction (ED) in adult males. With ED, you have trouble getting and keeping an erection that s firm enough to have sex. On Ma, the FDA approved Viagra, the first oral treatment for erectile dysfunction. Reactions were nothing if not extreme. Here are some fast facts about Viagra: Active ingredient: sildenafil Drug class: phosphodiesterase-5 inhibitor Drug form: oral tablet As with other drugs, Viagra can cause side effects. Read on to

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