What is sildenafil (Viagra)?
Sildenafil relaxes muscles and increases blood flow to particular areas of the body.
Sildenafil under the name Viagra is used to treat erectile dysfunction (impotence) in men. Another brand of sildenafil is Revatio, which is used to treat pulmonary arterial hypertension and improve exercise capacity in men and women.
Do not take Viagra while also taking Revatio, unless your doctor tells you to.
Sildenafil may also be used for purposes not listed in this medication guide.
Viagra 25 mg
diamond, blue, imprinted with Pfizer, VGR 25
What are the possible side effects of oral sildenafil (Viagra)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
During sexual activity, if you become dizzy or nauseated, or have pain, numbness, or tingling in your chest, arms, neck, or jaw, stop and call your doctor right away. You could be having a serious side effect of sildenafil.
Stop using sildenafil and call your doctor at once if you have a serious side effect such as:
sudden vision loss;
ringing in your ears, or sudden hearing loss;
chest pain or heavy feeling, pain spreading to the arm or shoulder, nausea, sweating, general ill feeling;
swelling in your hands, ankles, or feet;
shortness of breath;
feeling light-headed, fainting; or
penis erection that is painful or lasts 4 hours or longer.
Less serious side effects may include:
warmth or redness in your face, neck, or chest;
upset stomach; or