Levitra (vardenafil) relaxes muscles and increases blood flow to particular areas of the body.
Levitra is used to treat erectile dysfunction (impotence).
Levitra may also be used for purposes not listed in this medication guide.
Do not take Levitra if you are also using a nitrate drug for chest pain or heart problems (such as nitroglycerin). Taking vardenafil with a nitrate medicine can cause a sudden and serious decrease in blood pressure.
Slideshow: View Frightful (But Dead Serious) Drug Side Effects
View Frightful (But Dead Serious) Drug Side Effects
Stop using Levitra and get emergency medical help if you have sudden vision loss.
Contact your doctor or seek emergency medical attention if your erection is painful or lasts longer than 4 hours. A prolonged erection (priapism) can damage the penis.
During sexual activity, if you become dizzy or nauseated, or have pain, numbness, or tingling in your chest, arms, neck, or jaw, stop and call your doctor right away. You could be having a serious side effect.
Read About Levitra Side Effects