Levitra is the brand name drug of Vardenafil. This medicine is used to treat sexual problems in men such as Erectile Dysfunction. It increases the blood flow to the penis which helps to improve erection. Make sure you tell your doctor about all your health conditions and the medications you take. If you notice any unwanted side effects of Levitra, contact your doctor immediately. It is highly advised to practice safe sex as Levitra does not protect against sexually transmitted diseases.