Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Follow the package directions to remove the tablet from the blister package. Vardenafil is in a class of medications called phosphodiesterase PDE inhibitors. Be sure that you receive only the type of vardenafil that was prescribed by your doctor. Answer: Really it comes down to you. · This medicine is available only with your doctor’s prescription. This product is available in the following dosage forms: Tablet, Disintegrating. Before Using. Portions of . Vardenafil Prices, Coupons and Patient Assistance Programs. Vardenafil is a member of the impotence agents drug class and is commonly used for Erectile Dysfunction. The . vardenafil. Vardenafil is used to treat male sexual function problems (impotence or erectile dysfunction-ED). In combination with sexual stimulation, vardenafil works by increasing .