Its effects might last longer if you have mild to moderate ED. Your health and wellbeing come first. Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat. These medicines all work well for ED. For more information, work with a member of our medical team who can order lab tests to look for any critical underlying problems.1 Choose your meds Sildenafil, tadalafil, Cialis Daily, and more. 2 Answer health questions Including your blood pressure reading. 3 Medical team review Some states require a video chat, we’ll let you know. 4 Get ED pills online Delivery in days, next day available. Get started What is erectile dysfunction (ED)? Generic Name: Vardenafil Reviewed: March 21, Vardenafil is used in adult men to treat erectile dysfunction (impotence). Vardenafil may also be used for purposes not listed in this medication. Oral medicines for ED usually work well and cause few side effects. The four main medicines taken by mouth for erectile dysfunction are: Avanafil (Stendra). Sildenafil .