Levitra (Vardenafil Hcl) is used to treat male sexual function problems (impotence or erectile dysfunction-ED). In combination with sexual stimulation, vardenafil works by increasing blood flow to the penis to help a man get and keep an erection.

This drug does not protect against sexually transmitted diseases (such as HIV, hepatitis B, gonorrhea, syphilis).

Take this medication by mouth as directed by your doctor, usually as needed. Take vardenafil, with or without food, about 1 hour before sexual activity. Do not take more than once daily. Doses should be taken at least 24 hours apart.

The dosage is based on your medical condition, response to treatment, and other medications you may be taking. Be sure to tell your doctor and pharmacist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

Avoid eating grapefruit or drinking grapefruit juice while using this medication unless your doctor or pharmacist says you may do so safely. Grapefruit can increase the chance of side effects with this medicine. Ask your doctor or pharmacist for more details.

Tell your doctor if your condition does not improve.

Before taking vardenafil, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Before using this medication, tell your doctor or pharmacist your medical history, especially of: heart problems (such as heart attack or life-threatening irregular heartbeat in the past 6 months, chest pain/angina, heart failure), stroke in the past 6 months, kidney disease (dialysis), liver disease, high or low blood pressure, a severe loss of body water (dehydration), penis conditions (such as angulation, fibrosis/scarring, Peyronie's disease), history of painful/prolonged erection (priapism), conditions that may increase the risk of priapism (such as sickle cell anemia, leukemia, multiple myeloma), eye problems (such as retinitis pigmentosa, sudden decreased vision, NAION), bleeding disorders, active stomach ulcers.

Common side effects of Levitra include:

-  Headache

- Flushing in the face and neck

- Vision problems (blurring, color changes, light sensitivity)

- Muscle or back pain

- Stuffy or runny nose

- Upset stomach

Stop using Levitra and contact your doctor if you experience these more serious side effects:

- Feeling light-headed or fainting

- Symptoms of a heart attack: chest pain, pain spreading to jaw or shoulder, nausea, sweating

- An erection that’s painful or lasts more than 4 hours

- Vision loss

- Hearing problems or ringing in ears 

- Shortness of breath

If you have nausea, chest pain, or dizziness during sex, seek immediate medical attention.

Why is Levitra prescribed?

Levitra helps men with erectile dysfunction to achieve and sustain an erection. It is one of several drugs that may be prescribed to treat erectile dysfunction.

How long does Levitra last?

Levitra can be effective for 4-6 hours

How long does Levitra take to work?

Levitra should take effect within 60 minutes.

What does Levitra do to the body?

Levitra blocks an enzyme called PDE5. This allows muscles in the walls of blood vessels to relax, increasing blood flow that’s required to achieve and sustain an erection.

Is it safe to take Levitra with alcohol?

Drinking alcohol can actually contribute to erectile dysfunction, and may make Levitra less effective. Because both alcohol and Levitra can lower blood pressure, mixing the two increases the likelihood of side effects including dizziness and fainting.

How many times a day can I take Levitra?

Levitra should not be taken more than once daily.

Will Levitra affect my blood pressure?

Levitra can lower your blood pressure. Men who currently have low or high blood pressure should consult their doctor before taking Levitra. If you use nitrate drugs to treat chest pain, taking Levitra can cause a dangerous drop in blood pressure.

Do I need a prescription to buy Levitra?

Yes, Levitra is only available with a prescription.