비아그라에 대한 5가지 쉬운 사실 설명

Sildenafil may lead to Negative effects. Tell your health practitioner if any of these signs and symptoms are severe or will not go away:Viagra can minimize blood move towards the optic nerve of the eye, triggering unexpected vision decline. This has happened in a little variety of people today taking sildenafil, most of whom also had heart disease