What side effects may occur with Viagra?
Side effects cannot be anticipated. If any develop or change in intensity, inform your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking Viagra. More common side effects may include: Abnormal vision (color tinge, blurring, sensitivity to light), acid indigestion, diarrhea, flushing, headache, nasal congestion, urinary tract infection Less common to rare side effects may include: Abdominal pain, abnormal dreams, abnormal ejaculation, allergic reactions, anxiety, asthma, bloodshot eyes, bone pain, breast enlargement, cataracts, chest pain, chills, coordination problems, cough, depression, difficulty breathing, difficulty swallowing, dilated pupils, dizziness, double vision, drowsiness, dry eyes, dry mouth, emotional or mental disturbances, eye inflammation or pain, other eye disorders, fainting, falling, genital problems, gout, gum inflammation, heart problems, increased night-time urination, increased pressure in the eyes, insomnia, itch
