The most common side effects of VIAGRA: headache; flushing; upset stomach; abnormal vision, such as changes in colour vision (including possessing a blue color tinge) and blurred vision; stuffy or runny nose; back agony; muscle mass soreness; nausea; dizziness; rash. headache flushing upset tummy abnormal vision, for instance adjustments https://johnc085uah0.blogaritma.com/profile