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Generic Viagra Now Available in United States

Dec 19, 2017

Generic Viagra Now Available in United StatesMen with erectile dysfunction (ED) now have an effective, but less expensive, alternative to Viagra.

Two generic versions of sildenafil citrate, the active ingredient in Viagra, came on the market on December 11th.

Sildenafil citrate is classified as a phosphodiesterase type 5 (PDE5) inhibitor. This class of drugs improves erections by relaxing smooth muscle tissue in the penis, allowing arteries to expand and blood to flow in during sexual stimulation. Adequate blood flow in the penis is critical for a firm erection suitable for sex.

Other examples of PDE5 inhibitors are Levitra (vardenafil), Cialis (tadalafil), and Stendra (avanafil).

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