비아그라에 대한 편견 없는 견해

The most typical Unwanted side effects of VIAGRA: headache; flushing; upset tummy; abnormal eyesight, such as alterations in coloration vision (like getting a blue colour tinge) and blurred eyesight; stuffy or runny nose; back again agony; muscle soreness; nausea; dizziness; rash.an erection that will not go away (priapism). If you have an erection