Stendra (generic: avanafil) is a prescription medication used to treat erectile dysfunction in adult men.  Stendra belongs to a group of drugs called phosphodiesterase (PDE5) inhibitors, which increase blood flow to the penis during sexual stimulation.

This medication comes in the form of a fast-acting tablet to be taken 30 minutes before sexual activity, with or without food.  Do not take more than one tablet a day.

Common side effects of Stendra include headache, flushing, and stuffy nose.