Comtan

Comtan treats symptoms of Parkinson's disease when used with levodopa and carbidopa. You may experience dizziness with this medication, so avoid standing up too fast to prevent falls.

Comtan Overview

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Comtan is a prescription medication that is used in combination with the medications levodopa and carbidopa to treat symptoms of Parkinson's disease. Comtan belongs to a group of drugs called COMT inhibitors. It works to prevent the breakdown of levodopa and carbidopa and allows more of these medications to reach the brain. 

This medication comes in tablet form and is taken with every dose of levodopa and carbidopa, up to 8 times a day, with or without food. 

Common side effects of Comtan include diarrhea, nausea, change in the color of urine, and movements you cannot control.

Comtan can also cause drowsiness and dizziness. Do not drive or operate heavy machinery until you know how Comtan affects you.

How was your experience with Comtan?

First, a little about yourself

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What tips would you provide a friend before taking Comtan?

What are you taking Comtan for?

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  • Other
  • Parkinson Disease

How long have you been taking it?

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  • Less than a week
  • A couple weeks
  • A month or so
  • A few months
  • A year or so
  • Two years or more

How well did Comtan work for you?

Did you experience many side effects while taking this drug?

How likely would you be to recommend Comtan to a friend?

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Uses of Comtan

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Comtan is a prescription medication that is used in combination with the medications levodopa and carbidopa to treat the symptoms of Parkinson's disease, a disorder of the nervous system that affects movement.

This medication may be prescribed for other uses. Ask your doctor or pharmacist for more information.

Manufacturer

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Generic

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Comtan Drug Class

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Comtan is part of the drug class:

Side Effects of Comtan

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Serious side effects have been reported with Comtan. See the "Comtan Precautions" section.

Common side effects of Comtan include the following:

  • diarrhea
  • nausea
  • stomach pain
  • dizziness
  • drowsiness
  • movements you cannot control
  • change in the color of urine

This is not a complete list of Comtan side effects. Ask your doctor or pharmacist for more information.

Tell your doctor if you have any side effect that bothers you or that does not go away.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.