비아그라에 대한 자세한 참고 사항
The most typical Unwanted side effects of VIAGRA: headache; flushing; upset abdomen; irregular vision, which include alterations in color eyesight (like aquiring a blue colour tinge) and blurred eyesight; stuffy or runny nose; back suffering; muscle soreness; nausea; dizziness; rash.get any medicines named nitrates, generally prescribed for chest a