The commonest Negative effects of VIAGRA: headache; flushing; upset tummy; abnormal eyesight, including changes in shade vision (for instance possessing a blue coloration tinge) and blurred vision; stuffy or runny nose; again soreness; muscle soreness; nausea; dizziness; rash.No, you won't ought to travel to discover a doctor. Your MaleMD prognosis… Read More