The most typical Negative effects of VIAGRA: headache; flushing; upset stomach; irregular eyesight, for example alterations in coloration eyesight (which include getting a blue colour tinge) and blurred vision; stuffy or runny nose; again soreness; muscle mass ache; nausea; dizziness; rash. This is called the theory of least privilege, https://hansx742lsz7.bmswiki.com/user