비아그라에 대한 5가지 쉬운 사실 설명

Sildenafil could cause a significant fall in the hypertension when utilized with nitrates. A serious drop in blood pressure can result in dizziness, fainting, and not often coronary heart assault or stroke.Ahead of taking Viagra, notify your medical doctor if you have issues with your optic nerve or retina. They're able to recommend you on whether