비아그라 기본 사항 설명
The most typical side effects of VIAGRA: headache; flushing; upset belly; irregular vision, for instance adjustments in color vision (for example aquiring a blue color tinge) and blurred eyesight; stuffy or runny nose; again discomfort; muscle mass suffering; nausea; dizziness; rash. VIAGRA might affect the way in which other medicines operate,