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Because there are potentially dangerous side effects with avanafil, it is important to contact your healthcare provider right away if you develop an erection lasting more than four hours, a sudden loss of vision, or chest pain. Clinical trials have shown that some of the most commonly reported reactions to this drug include headaches, back pain, and a runny or stuffy nose.
An Introduction to Side Effects of AvanafilAs with any medication, avanafil (Stendra™) can cause side effects. However, not everyone who takes the drug will have problems. In fact, most people tolerate it quite well. If side effects do occur, in most cases, they are minor and either require no treatment or are treated easily by you or your healthcare provider.
(This article covers many, but not all, of the possible side effects with avanafil. Your healthcare provider can discuss a more complete list with you.)
Serious Avanafil Side EffectsSome avanafil side effects are potentially serious and should be reported immediately to your healthcare provider. These include but are not limited to:
- An erection lasting more than four hours
- A sudden decrease or loss of vision
- A sudden decrease or loss in hearing
- Chest pain
- Dizziness, lightheadedness, or fainting
- Signs of an allergic reaction, such as:
- An unexplained rash
- Swelling of the mouth or throat
- Difficulty breathing.