User:Mr. Ibrahem/Avanafil

Avanafil, sold under the brand names Stendra and Spedra, is medication used to treat erectile dysfunction. It is taken by mouth. Effects generally begin within 15 minutes and last for up to 2 hours.

Common side effects include headache, flushing, stuffy nose, and back pain. Other side effects may include priapism, vision loss, and hearing loss. It should not be used with nitrovasodilator. It should also be avoided in people with significant liver or kidney problems. It is a PDE5 inhibitor and works by blocking the phosphodiesterase enzyme, thus increasing levels of cyclic guanosine monophosphate (cGMP).

Avanafil was approved for medical use in the United States in 2012 and Europe in 2013. In the United Kingdom 4 pills of 100 mg costs the NHS about £14 as of 2021. This amount in the United States is about 210 USD.