The most typical side effects of VIAGRA: headache; flushing; upset abdomen; abnormal vision, for instance variations in coloration eyesight (such as possessing a blue colour tinge) and blurred vision; stuffy or runny nose; back again soreness; muscle ache; nausea; dizziness; rash. headache flushing upset abdomen irregular eyesight, such as https://amirg207aip4.wikijournalist.com/user