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FDA Approves Generic Viagra

Mar 22, 2016

FDA Approves Generic ViagraEarlier this month, the U.S. Food and Drug Administration (FDA) gave the green light for the generic use of Viagra (sildenafil citrate), the first oral medication approved to treat erectile dysfunction (ED).

The drug, classified as a phosphodiesterase type 5 (PDE5) inhibitor, is considered a first-line treatment for men with ED. Teva Pharmaceuticals, the manufacturer, expects sildenafil citrate to be available on December 11, 2017, according to Medscape Medical News. The pills will be offered in 25-, 50-, and 100 mg doses.

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FDA approves generic Viagra, but won't be available in the US until late 2017. Learn more... (Click to tweet)

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An estimated 100 million men worldwide suffer from ED, which is defined as an inability to get and maintain an erection firm enough for sexual intercourse. For many men, ED is caused by insufficient blood flow to the penis.

Typically, when a man is sexually aroused, smooth muscle tissue in his penis relaxes and arteries widen to allow more blood to flow in. Veins constrict to keep the blood inside the penis, forming an erection. The blood gives the penis the rigidity it needs for sex. Once the man ejaculates (or when sexual stimulation ends), the veins open again and the blood flows back into the body.

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