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Other drug names: A-Am An-Az B C-Ch Ci-Cz D-Dh Di-Dz E F G H I-J K-L M-Mh Mi-Mz N-Nh Ni-Nz O P-Pl Pm-Pz Q-R S-Sn So-Sz T-To Tp-Tz U-V W-Z 0-9   

Entacapone

Why is this medication prescribed?

Entacapone is an inhibitor of catechol-O-methyltransferase (COMT). It is used in combination with levodopa and carbidopa (Sinemet) to treat the end-of-dose 'wearing-off' symptoms of Parkinson's disease. Entacapone helps the levodopa and carbidopa work better by allowing more of it to reach the brain, where it has its effects.

This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.

How should this medicine be used?

Entacapone comes as a tablet to take by mouth. It is taken with every dose of levodopa and carbidopa, up to 8 times a day. Entacapone may be taken with or without food. Read your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take entacapone exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.

Entacapone helps control the symptoms of Parkinson's disease, but it does not cure it. Continue to take entacapone even if you feel well. Do not stop taking entacapone without talking to your doctor. Stopping entacapone suddenly may make your Parkinson's disease worse and could have other dangerous effects. Your doctor probably will decrease your dose gradually if necessary.

What special precautions should I follow?

Before taking entacapone,

  • tell your doctor and pharmacist if you are allergic to entacapone or any other drugs.
  • tell your doctor and pharmacist what prescription and nonprescription medications you are taking, especially ampicillin, apomorphine (Zydis), bitolterol (Tornalate), chloramphenicol (AK-Chlor, Chloromycetin), cholestyramine (Cholybar, Questran, Questran Light, others), medications that cause drowsiness (including medications for anxiety and sleeping pills), dobutamine (Dobutrex), epinephrine (AsthmaHaler, EpiPen Auto-Injector, Primatene Mist, others), erythromycin (E-Base, E.E.S., E-Mycin, others), isoetharine (Arm-a-Med Isoetharine, Beta-2, Bronkometer, others), isoproterenol (Dispos-a-Med Isoproterenol, Isuprel, Medihaler-Iso, others), methyldopa (Aldomet), phenelzine (Nardil), probenecid (Benemid), rifampin (Rifadin, Rimactane), tranylcypromine (Parnate), and vitamins and herbal products.
  • tell your doctor if you have or have ever had liver disease or a history of alcoholism.
  • tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding. If you become pregnant while taking entacapone, call your doctor.
  • if you are having surgery, including dental surgery, tell the doctor or dentist that you are taking entacapone.
  • you should know that this medication may make you drowsy. Do not drive a car or operate heavy machinery until you know how entacapone affects you.

What should I do if I forget a dose?

Take the missed dose as soon as you remember it. However, if it is almost time for your next dose, skip the missed dose and continue your regular dosing schedule. Do not take a double dose to make up for a missed dose.

What side effects can this medication cause?

Although side effects from entacapone are not common, they can occur. Tell your doctor if any of these symptoms are severe or do not go away:

  • dizziness
  • diarrhea
  • upset stomach
  • movements you cannot control
  • stomach pain
  • drowsiness

If you experience any of the following symptoms, call your doctor immediately:

  • difficulty breathing
  • hallucinations
  • high fever
  • confusion
  • muscle stiffness
  • weakness with or without a fever

Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture (not in the bathroom). Throw away any medication that is outdated or no longer needed. Talk to your pharmacist about the proper disposal of your medication.

In case of emergency/overdose

In case of overdose, call your local poison control center at 1-800-222-1222. If the victim has collapsed or is not breathing, call local emergency services at 911.

What other information should I know?

Keep all appointments with your doctor and the laboratory.You may become dizzy when you get up after sitting or lying down, especially when you begin taking entacapone. To avoid this problem, make sure to get up slowly, especially if you have been sitting or lying down for a long time.

Entacapone may cause your urine to change to a brownish-orange color. This effect is common and is not harmful.

Do not let anyone else take your medicine. Ask your pharmacist any questions you have about refilling your prescription.

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Last updated: Tue, 06 Jan 2009 00:20:03 GMT
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