Safety is important. And it helps to know about possible side effects.
VIAGRA (SILDENAFIL CITRATE) can cause serious side effects. Rarely reported side effects include:
- an erection that will not go away (priapism). If you have an erection that lasts more than 4 hours, get medical help right away. If it is not treated right away, priapism can permanently damage your penis.
- sudden vision loss in one or both eyes. Sudden vision loss in one or both eyes can be a sign of a serious eye problem called non-arteritic anterior ischemic optic neuropathy (NAION). Stop taking VIAGRA and call your healthcare provider right away if you have sudden vision loss in one or both eyes.
- sudden hearing decrease or hearing loss. Some people may also have ringing in their ears (tinnitus) or dizziness. If you have these symptoms, stop taking VIAGRA and contact a doctor right away.
The most common side effects of VIAGRA are:
- headache
- flushing
- upset stomach
- abnormal vision, such as changes in color vision (such as having a blue color tinge) and blurred vision
- stuffy or runny nose
- back pain
- muscle pain
- nausea
- dizziness
- rash
VIAGRA may cause other side effects besides those listed here. If you want more information or develop any side effects or symptoms you are concerned about, call
your doctor.
your doctor.
Other important information:
VIAGRA can help a man with ED get and keep an erection when he becomes sexually stimulated. But it’s not right for everyone. Here are some other things you should know:
DO NOT TAKE VIAGRA IF YOU:
- take any other medicines called nitrates, often prescribed for chest pain, as this may cause a sudden, unsafe drop in blood pressure.
- are allergic to sildenafil, as contained in VIAGRA and REVATIO, or any of the ingredients in VIAGRA.
Discuss your health with your doctor to ensure that you are healthy enough for sex. If you experience chest pain, dizziness, or nausea during sex, seek immediate medical help.
Talk to your doctor.
Discuss your general health and ED symptoms with your doctor to see if VIAGRA is right
for you.
for you.
- Patients should always ask their doctors for medical advice about adverse events.
- You may report an adverse event related to Pfizer products by calling 1-800-438-1985 (U.S. only). If you prefer, you may contact the U.S. Food and Drug Administration (FDA) directly. The FDA has established a reporting service known as MedWatch where healthcare professionals and consumers can report serious problems they suspect may be associated with the drugs and medical devices they prescribe, dispense
