The most common Unintended effects of VIAGRA: headache; flushing; upset abdomen; irregular vision, for instance modifications in shade eyesight (like using a blue color tinge) and blurred vision; stuffy or runny nose; back again agony; muscle ache; nausea; dizziness; rash.Most of the time, Viagra begins to get the job done just after 30 minutes. Ma… Read More