Levitra (vardenafil hydrochloride) is an anti-impotence agent that can help you get an erection and complete sexual intercourse if you take it as recommended and do not exceed the dose prescribed. You may first be started on a lower dose of Levitra to make sure you will get all the benefits from the treatment. Make sure you never take more of use Levitra more often, as this is not going to increase the efficiency of your treatment. Mild side effects are common and include dizziness, stuffy nose, fainting, lightheadedness, runny nose, heartburn, and upset stomach. Serious side effects are less common and can include blurred vision, sudden severe loss of vision, sudden decrease or loss of hearing, rash, dizziness, difficulty breathing or swallowing, hives, swelling of the face, changes in color vision, ringing in ears, hoarseness, fainting, and erection that lasts longer than 4 hours. It's important that before prescribing you any dose of Levitra your health care provider would be notified of any medical problems you have, especially blood cell problems, chest pain, bleeding disorder, diabetes, ulcers in the stomach or intestine, irregular heartbeat, liver, kidney, or heart disease, and high or low blood pressure.