Viagra (Sildenafil)

Sildenafil is phosphodiesterase (PDE-5) inhibitor used to treat erectile dysfunction (ED). Inhibiting Sildenafil helps the smooth muscles in the penis to relax, thus increasing blood flow and enabling erection. Sildenafil TABLETS CAN be split in half.

Like all medicines,there are Sildenafil side effects. But the Sildenafil side effects are usually mild and do not last longer than a few hours. The most common Sildenafil side effects are upset stomach, headache and facial flushing. Sildenafil may also briefly cause Sildenafil side effects like bluish or blurred vision or sensitivity to light. Sildenafil side effects will occur more often as the dosage increases. The most serious reported Sildenafil side effects is blue tinted vision.Sildenafil side effects can block the breakdown of cyclic GMP in the cone cells of the retina leading to perception of blue.Sildenafil side effects can also cause dilation of blood vessels in other body parts, causing fainting and headaches. Rare instances of Sildenafil side effects like prolonged erection have been reported but this phenomena is indeed rare. Prolonged erection can be painful, and even lead to blood clotting in the vital area, harming the erectile system. Should Sildenafil side effects occur, medical attention should be sought if an erection persists for more than four hours.