How to store vardenafil Keep all medicines out of the reach and sight of children. In men for whom sexual activity is not recommended because of their underlying cardiovascular status, any treatment for erectile dysfunction, including LEVITRA, generally should not be used. Physicians should inform patients that there have been rare reports of prolonged erections greater than 4 hours and priapism painful erections greater than 6 hours in duration for LEVITRA and this class of compounds. Counseling of patients about protective measures necessary to guard against sexually transmitted diseases, including the Human Immunodeficiency Virus HIV , should be considered. Do not use in larger or smaller amounts or for longer than recommended. Stepwise increase in alpha-blocker dose may be associated with further lowering of blood pressure in patients taking a PDE5 inhibitor.Erectile dysfunction (sometimes called impotence) means that you cannot get or maintain a proper erection. There are several causes, the most common being due to a narrowing of the arteries that take blood to the penis. Vardenafil works by preventing the action of a chemical in your body, called phosphodiesterase type LEVITRA (vardenafil HCl) is formulated as orange, film-coated round tablets with debossed “BAYER” cross on one side and “5”, “10”, and “20” on the other side equivalent to 5 mg, 10 mg, and 20 mg of vardenafil, respectively. LEVITRA Vardenafil tablets 5 mg, 10 mg, 20 mg of vardenafil, as vardenafil hydrochloride Bayer Standard cyclic GMP-Specific Phosphodiesterase Type 5 Inhibitor Treatment of Erectile Dysfunction Date of Revision: September 30,