비아그라는 더 이상 미스터리
The most typical Uncomfortable side effects of VIAGRA: headache; flushing; upset abdomen; irregular eyesight, like changes in color vision (including having a blue shade tinge) and blurred vision; stuffy or runny nose; again ache; muscle mass discomfort; nausea; dizziness; rash.an erection that won't go away (priapism). Should you have an erection