비아그라에 대해 거의 알려지지 않은 사실.
VIAGRA contains sildenafil, which is similar medication located in Yet another drug identified as REVATIO. REVATIO is used to treat a unusual illness named pulmonary arterial hypertension (PAH).VIAGRA may perhaps influence just how other medicines perform, and various medicines could have an impact on the way VIAGRA operates, resulting in Negative