비아그라는 더 이상 미스터리
The most common side effects of VIAGRA: headache; flushing; upset abdomen; irregular vision, for example changes in colour eyesight (which include possessing a blue shade tinge) and blurred eyesight; stuffy or runny nose; again discomfort; muscle agony; nausea; dizziness; rash.The most common side effects of VIAGRA: headache; flushing; upset stomac