sildenafil

IPA: sˈɪɫdɪnʌfɪɫ

(pharmacology) A drug that is used in the form of its citrate C₂₂H₃₀N₆O₄S·C₆H₈O₇ to treat erectile dysfunction in males, that by suppressing a phosphodiesterase enzyme also suppresses the enzyme's inhibitory effect on the hormone cyclic GMP, and that enables the cyclic GMP produced during sexual arousal to initiate the muscular and vascular changes which produce an erection. It is marketed under the trademarks Revatio and Viagra.

Examples of "sildenafil" in Sentences

The FDA asserts that this ingredient is an analog of sildenafil, which is the active chemical ingredient of
Viagra, which has the chemical name sildenafil citrate, was the first drug approved to treat ED in the United States.
Viagra, aka sildenafil citrate, doesn't mix well with other substances, which means it's difficult to package in a patch.
D., director of The Kinsey Institute, recently studied what happens to relationships when men start taking erectile-dysfunction drugs such as sildenafil Viagra.
For example, Julia Heiman, Ph. D., director of The Kinsey Institute, recently studied what happens to relationships when men start taking erectile-dysfunction drugs such as sildenafil (Viagra).
Tests by the FDA revealed that Zencore Plus contained benzamidenafil, a compound similar to active ingredients in erectile dysfunction medicines, such as sildenafil (Viagra), tadalafil (Cialis), and vardenafil (Levitra).