Levitra (Vardenafil) belongs to a class of medications called phosphodiesterase (PDE) inhibitors. Levitra (Vardenafil) helps treating erectile dysfunction (male impotence) in men. This medication works by relaxing muscles in the walls of blood vessels and increasing blood flow to the penis during sexual stimulation. It helps to achieve an erection sufficient for sexual stimulation to occur. This medication does not cure erectile dysfunction or increases sexual desire.

Doctor's prescription is required to use this medicine.

Always take Levitra (Vardenafil) as directed by your physician.

Follow all directions on your prescription label and read all medication guides or instruction sheets. Ask your doctor if you have any questions.

Levitra (Vardenafil) comes as a tablet to take by mouth. It is usually taken as needed with or without food, 60 minutes before sexual activity. Vardenafil should not be taken more than once every 24 hours. Do not take your medicine more often than directed.

Always take Levitra (Vardenafil) exactly as directed by your doctor.

Before using Levitra (Vardenafil), tell your doctor or pharmacist if you are allergic to it or any other medications. Tell your doctor or pharmacist about your medical history. Tell your doctor about all the other prescription and nonprescription medications you are taking.

Do not use Levitra if you are allergic to vardenafil, or if you take other medicines to treat pulmonary arterial hypertension.

Do not take vardenafil if you are also using a nitrate drug for chest pain or heart problems. Taking Levitra with a nitrate medicine can cause a sudden and serious decrease in blood pressure.

Contact your doctor or health care professional right away if the erection lasts longer than 4 hours or if it becomes painful. This may be a sign of serious problem and must be treated right away to prevent permanent damage.

This medicine does not protect you or your partner against HIV infection (the virus that causes AIDS) or other sexually transmitted diseases.

Levitra (Vardenafil) is not approved for men younger than 18 years old.

Levitra (Vardenafil) is not intended for use by women.

NOTE: This medicine is only for you. Do not share this medicine with others.

Contact your doctor if you experience these side effects and they are severe or bothersome.

• Dizziness
• Flushing (warm or burning feeling, usually in the face)
• Headache
• Indigestion
• Stuffy nose

Check with your doctor as soon as possible if any of the following side effects occur:

• Abnormal vision (e.g., decreased vision, blurry vision, increased sensitivity to light, changes in the ability to tell the difference between blue and green)
• Decrease or loss of hearing
• Temporary memory loss

Stop taking the medication and seek immediate medical attention if any of the following occur:

• An erection that lasts longer than 4 hours (this could permanently damage your penis)
• A partial or complete loss of vision
• Chest pains, an irregular heartbeat, or shortness of breath when starting sexual activity (if you have a heart condition)
• Signs of an allergic reaction (e.g., rash; itching; shortness of breath; swollen face, lips, or throat)

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.

What happens if I miss a dose?

Since Levitra is used as needed, you are not likely to be on a dosing schedule.

Do not take this medicine more than once a day. Allow 24 hours to pass between doses.

What happens if I overdose?

In case of overdose call the Poison Help line. If the victim has collapsed, had a seizure, has trouble breathing, or can't be awakened, immediately call emergency services.

Where should I keep my medicine?

Keep out of reach of children.

Store the medicine at room temperature.

Throw away any unused medicine after the expiration date.

What should I avoid while taking this medication?

Grapefruit may interact with vardenafil and lead to unwanted side effects. Avoid the use of grapefruit products.

Drinking alcohol can increase certain side effects of vardenafil. 

Do not use any other drug to treat impotence unless your doctor tells you to.