Avaforce 50 mg is a medication primarily used to treat erectile dysfunction (ED) in men. It contains the active ingredient avanafil, which is a phosphodiesterase type 5 (PDE5) inhibitor. Avaforce 50 mg is a medication primarily used to treat erectile dysfunction (ED) in men. It contains the active ingredient avanafil, which is a phosphodiesterase type 5 (PDE5) inhibitor.