The most typical side effects of VIAGRA: headache; flushing; upset abdomen; abnormal eyesight, including changes in colour vision (which include getting a blue color tinge) and blurred vision; stuffy or runny nose; back again agony; muscle soreness; nausea; dizziness; rash.Yo?un bir kanser hastas?s?n?z, tedavi oluyorsun ve kanser ilac?n? al?yorsun.