시알리스 - 개요
The most common side effects of VIAGRA: headache; flushing; upset tummy; abnormal eyesight, for example modifications in coloration vision (which include getting a blue color tinge) and blurred eyesight; stuffy or runny nose; back agony; muscle agony; nausea; dizziness; rash.Almost never, might cause other side effects like Listening to decline, or