비아그라에 대해 알려지지 않은 사실

The most typical Negative effects of VIAGRA: headache; flushing; upset belly; irregular vision, including modifications in colour eyesight (for instance using a blue shade tinge) and blurred eyesight; stuffy or runny nose; back again pain; muscle agony; nausea; dizziness; rash. The most common Unintended effects of VIAGRA: headache; flushing; up