비아그라에 대해 거의 알려지지 않은 사실

After both oral or intravenous administration, sildenafil is excreted as metabolites predominantly in the feces (close to eighty% of administered oral dose) and to a lesser extent during the urine (somewhere around 13% of your administered oral dose).At single oral doses of a hundred mg and 200 mg, transient dose-associated impairment of coloration