Avana 100 mg is a medication used primarily to treat erectile dysfunction (ED) in men. It contains avanafil as its active ingredient, which is a newer phosphodiesterase type 5 (PDE5) inhibitor. Avanafil works by selectively inhibiting the PDE5 enzyme, which leads to increased levels of cyclic guanosine monophosphate (cGMP). This relaxation of blood vessels in the penis enhances blood flow, facilitating an erection when sexual stimulation occurs.

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