Levitra is a new drug used for treating erectile dysfunction (ED). This is a phosphodiesterase inhibitor working by increasing blood flow into the penis during sexual stimulation. This helps you to achieve and maintain an erection.

Do NOT use Levitra if:
" you are allergic to any ingredient in Levitra
" you have been advised by your doctor to avoid sexual activity because of heart problems
" you have certain heart problems (eg, unstable angina, severe heart failure), low blood pressure, or uncontrolled high blood pressure
" you have certain hereditary degenerative eye problems (eg, retinitis pigmentosa)
" you have severe liver problems or severe kidney problems that require dialysis
" you have had a heart attack, stroke, or life-threatening irregular heartbeat within the past 6 months
" you are taking nitrates (eg, isosorbide, nitroglycerin) in any form (eg, tablet, capsule, patch, ointment), nitroprusside
Contact your doctor or health care provider right away if any of these apply to you.

Before using Levitra:
Some medical conditions may interact with Levitra. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
" if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
" if you have allergies to medicines, foods, or other substances
" if you have a deformed penis (eg, Peyronie disease, cavernosal fibrosis), blood problems (eg, sickle cell anemia, leukemia, multiple myeloma)
" if you have a history of certain eye problems (eg, sudden vision loss, optic neuropathy, macular degeneration)
" if you have a history of liver or kidney problems, high or low blood pressure, ulcers, bleeding problems, blood vessel problems, or heart problems
" if you have a history of heart attack, stroke, a certain type of irregular heartbeat (long QT syndrome), or a family history of long QT syndrome

How to use Levitra:
Use Levitra as directed by your doctor. Check the label on the medicine for exact dosing instructions.
" An extra patient leaflet is available with Levitra. Talk to your pharmacist if you have questions about this information.
" Take Levitra by mouth with or without food.
" Take Levitra about 1 hour before sexual activity.
" Do not take Levitra more often than once daily, or as directed by your doctor.
" If you miss a dose of Levitra and you still intend to engage in sexual activity, take it as soon as you remember. Continue to take it as directed by your doctor.

Important safety information:

" Levitra may cause dizziness, drowsiness, fainting, or blurred vision. These effects may be worse if you take it with alcohol or certain medicines.

" Patients with heart problems who take Levitra may be at increased risk for heart-related side effects, including heart attack or stroke.

" Levitra may rarely cause a prolonged, painful erection. Contact your doctor right away if this happens.

" Levitra may uncommonly cause mild, temporary vision changes (eg, blurred vision, sensitivity to light, blue/green color tint to vision).

" Do not use other medicines or treatments for erectile dysfunction while you are taking Levitra.

" Levitra does not stop the spread of HIV or other sexually transmitted diseases (STDs) to others through sexual contact. Use barrier methods of birth control

" This medicine will not prevent pregnancy. If your partner may become pregnant and you wish to avoid pregnancy, be sure to use an effective form of birth control.

" Use Levitra with caution in the ELDERLY; they may be more sensitive to its effects.

Possible side effects of Levitra:
All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist:
" Dizziness; flushing; headache; heartburn; stuffy or runny nose; upset stomach.
" Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); back or muscle pain; chest pain; fainting; prolonged, painful erection; ringing in the ears; severe or persistent dizziness; severe or persistent vision changes; sudden hearing loss.
This is not a complete list of all side effects that may occur.

Proper storage of Levitra:
Store Levitra at 77 degrees F (25 degrees C). Brief storage at temperatures between 59 and 86 degrees F (15 and 30 degrees C) is permitted. Store away from heat, moisture, and light. Do not store in the bathroom. Keep Levitra out of the reach of children and away from pets.