VIAGRA, PFIZER, 4 TABS. / 100 MG

VIAGRA

4 tabs in blister made by Pfizer

Description:

Sildenafil citrate, sold as Viagra, Revatio and under various other trade names, is a drug used to treat erectile dysfunction and pulmonary arterial hypertension (PAH). Originally developed by British scientists and then brought to market by the US-based pharmaceutical company Pfizer, it acts by inhibiting cGMP-specific phosphodiesterase type 5.This is an enzyme that delays degradation of cGMP which regulates blood flow in the penis. When becoming available in 1998, sildenafil citrate aka VIAGRA has been the prime treatment for erectile dysfunction in men. Soon other Pharma companys appear on the market with silenafil citrate tablets under another brandname. Nowadays VIAGRA s primary competitors on the market are tadalafil made by Cialis and vardenafil made by Levitra.

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