sildenafil citrate

[sil-den-uh-fil]

noun

Pharmacology.

1. a white crystalline powder, C 22 H 30 N 6 O 4 S, that temporarily normalizes erectile function of the penis by blocking an enzyme known to inhibit the production of a chemical that causes erections: used in the form of a pill to treat impotence.

Example Sentences

Viagra, known generically as sildenafil citrate, was patented by the drugmaker Pfizer in the 1990s and was initially used as a treatment for chest pain related to the heart.

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Pfizer was developing a chemical compound called sildenafil citrate for high blood pressure.

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It was only because the marketing people didn’t like it for that product that it was returned to the name bank ready for its adoption by sildenafil citrate.

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After years of behind-the-scenes preparation, the company last week received the state production license that will allow it to start churning out sildenafil citrate, the active ingredient in Viagra.

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The new research, published in the journal Human Reproduction, reports that the main ingredient in Viagra, called sildenafil citrate, can alleviate moderate to severe menstrual cramps in women.

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