비아그라에 대한 궁극적인 가이드

are allergic to sildenafil, as contained in VIAGRA and REVATIO, or any in the components in VIAGRA.Sildenafil may cause a significant fall with your blood pressure when employed with nitrates. A serious drop in hypertension can result in dizziness, fainting, and not often coronary heart attack or stroke.If another person has overdosed and it has se