The most typical side effects of VIAGRA: headache; flushing; upset tummy; abnormal vision, including changes in shade vision (for instance having a blue coloration tinge) and blurred eyesight; stuffy or runny nose; back again pain; muscle agony; nausea; dizziness; rash.Sildenafil also aids people today with pulmonary arterial hypertension (PAH) by … Read More