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VIAGRA consists of sildenafil, which is similar medicine located in another drug referred to as REVATIO. REVATIO is utilized to deal with a scarce ailment known as pulmonary arterial hypertension (PAH).The AUC from the Energetic metabolite, N-desmethyl sildenafil, was enhanced sixty two% by loop and potassium-sparing diuretics and 102% by nonspecif