HOW TO TAKE
Take Levitra as your doctor prescribes. Levitra comes in different doses (2.5 mg, 5 mg, 10 mg, and 20 mg). For most men, the recommended starting dose is 10 mg. Take Levitra no more than once a day. Doses should be taken at least 24 hours apart. Some men can only take a low dose of Levitra because of medical conditions or medicines they take. Your doctor will prescribe the dose that is right for you.

1. If you are older than 65 or have liver problems, your doctor may start you on a lower dose of Levitra.
2. If you are taking certain other medicines your doctor may prescribe a lower starting dose and limit you to one dose of Levitra in a 72-hour (3 days) period.

Take 1 Levitra tablet about 1 hour (60 minutes) before sexual activity. Some form of sexual stimulation is needed for an erection to happen with Levitra. Levitra may be taken with or without meals.

Do not change your dose of Levitra without talking to your doctor. Your doctor may lower your dose or raise your dose, depending on how your body reacts to Levitra.

If you take too much Levitra, call your doctor or emergency room right away.

POSSIBLE SIDE EFFECTS
The most common side effects with Levitra are headache, flushing, stuffy or runny nose, indigestion, upset stomach, or dizziness. These side effects usually go away after a few hours. Call your doctor if you get a side effect that bothers you or one that will not go away.

PRECAUTIONS
Before taking Levitra, tell your doctor about all your medical problems, including if you:

1. have heart problems such as angina, heart failure, irregular heartbeats, or have had a heart attack. Ask your »doctor if it is safe for you to have sexual activity.
2. have low blood pressure or have high blood pressure that is not controlled
3. have had a stroke
4. or any family members have a rare heart condition known as prolongation of the QT interval (long QT syndrome)
5. have liver problems
6. have kidney problems and require dialysis
7. have retinitis pigmentosa, a rare genetic (runs in families) eye disease
8. have stomach ulcers
9. have a bleeding problem
10. have a deformed penis shape or Peyronie's disease
11. have had an erection that lasted more than 4 hours
12. have blood cell problems such as sickle cell anemia, multiple myeloma, or leukemia

DRUG INTERACTIONS
Tell your doctor about all the medicines you take including prescription and non-prescription medicines, vitamins, and herbal supplements. Levitra and other medicines may affect each other. Always check with your doctor before starting or stopping any medicines. Especially tell your doctor if you take any of the following:

1. medicines called nitrates
2. medicines called alpha-blockers. These include Hytrin® (terazosin HCl), Flomax® (tamsulosin HCl), Cardura® (doxazosin mesylate), Minipress® (prazosin HCl) or Uroxatral® (alfuzosin HCl).
3. medicines that treat abnormal heartbeat. These include quinidine, procainamide, amiodarone and sotalol.
4. ritonavir (Norvir®) or indinavir sulfate (Crixivan®)
5. ketoconazole or itraconazole (such as Nizoral® or Sporanox®)
6. erythromycin
7. other medicines or treatments for ED

NOTES
Do not share this medicine with others for whom it was not prescribed. Do not use this medicine for other health conditions. Keep this medicine out of the reach of children. If using this medicine for an extended period of time, obtain refills before your supply runs out.
Levitra is not a hormone or aphrodisiac, it works only when a man is sexually stimulated.

STORAGE
Store at room temperature between 59 and 86 degrees F (15-30 degrees C) away from light and moisture. Keep this and all medications out of the reach of children.