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Stendra

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Stendra

Stendra Patient Information Including Side Effects

Brand Names: Stendra

Generic Name: avanafil (Pronunciation: a VAN a fil)

What is avanafil (Stendra)?

Avanafil relaxes muscles and increases blood flow to particular areas of the body.

Avanafil is used to treat erectile dysfunction (impotence).

Avanafil may also be used for purposes not listed in this medication guide.

What are the possible side effects of avanafil (Stendra)?

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.

If you become dizzy or nauseated during sexual activity, or if you 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 avanafil.

Stop using avanafil and call your doctor at once if you have any of these serious side effects:

  • changes in vision or sudden vision loss;
  • ringing in your ears, or sudden hearing loss;
  • chest pain, pounding heartbeats or fluttering in your chest;
  • pain, swelling, warmth, or redness in one or both legs;
  • shortness of breath, swelling in your hands or feet;
  • feeling light-headed, fainting; or
  • penis erection that is painful or lasts 4 hours or longer.

Less serious side effects may include:

  • redness or warmth in your face, neck, or chest;
  • headache, mild dizziness;
  • cold symptoms such as stuffy nose, sinus pain, or sore throat;
  • diarrhea, constipation, upset stomach; or
  • back pain.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Read the Stendra (avanafil) Side Effects Center for a complete guide to possible side effects

What is the most important information I should know about avanafil (Stendra)?

Do not take avanafil if you are allergic to it, or if you are also using a nitrate drug for chest pain or heart problems, including nitroglycerin (Nitro Dur, Nitrolingual, Nitrostat, Transderm Nitro, and others), isosorbide dinitrate (Dilatrate, Isordil, Isochron), isosorbide mononitrate (Imdur, ISMO, Monoket), or recreational drugs such as amyl nitrate or nitrite ("poppers"). Taking avanafil with a nitrate medicine can cause a sudden and serious decrease in blood pressure.

If you become dizzy or nauseated during sexual activity, or if you 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 avanafil.

Do not take avanafil more than once a day. Allow 24 hours to pass between doses.

Contact your doctor or seek emergency medical attention if your erection is painful or lasts longer than 4 hours. A prolonged erection (priapism) can damage the penis.

Avanafil can decrease blood flow to the optic nerve of the eye, causing sudden vision loss. This has occurred in a small number of people taking a similar medication called sildenafil (Viagra). Most of these people also had heart disease, diabetes, high blood pressure, high cholesterol, or certain pre-existing eye problems, and in those who smoke or are over 50 years old.

Stop using avanafil and get emergency medical help if you have sudden vision loss.

Side Effects Centers
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Report Problems to the Food and Drug Administration

 

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.



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