비아그라에 대한 5가지 쉬운 사실 설명

Sildenafil can cause a significant drop in the blood pressure when used with nitrates. A serious drop in blood pressure level may result in dizziness, fainting, and not often heart attack or stroke.Should you be using sildenafil for PAH, go ahead and take skipped dose the moment you remember it. Nevertheless, if it is sort of time for another dose,