Viagra Pill #3
by Cristina Pedrazzini/science Photo Library
Title
Viagra Pill #3
Artist
Cristina Pedrazzini/science Photo Library
Medium
Photograph - Photograph
Description
Viagra pill. Viagra was the first oral treatment for male impotence. Viagra is the trade name for the drug sildenafil citrate. It is used to treat erectile dysfunction. Viagra enhances the smooth muscle relaxant effects of nitric oxide, a chemical that is released in response to sexual stimulation. Relaxation of the smooth muscle allows blood to enter the penis, resulting in an erection. Viagra is made at Pfizer Pharamaceuticals.
Uploaded
September 13th, 2018
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