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Dosing Guide

Starting Your Patients on COMTAN® (entacapone) Tablets

  • Easy to Start
  • Easy to Remember - Easy to Write
  • Easy to Manage

Easy to Start

  • COMTAN should be used only in conjunction with carbidopa/levodopa therapy
  • COMTAN should not be titrated
  • Maximum dosage: 8 tablets per day
  • Effective from the first dose

Easy to Remember - Easy to Write

  • Add 1 COMTAN tablet with each administration of carbidopa/levodopa regardless of frequency (up to 8 per day) or formulation.

Example

*Sinemet (carbidopa/levodopa) is a registered trademark of Merck.

Example

Sinemet CR (carbidopa/levodopa) is a registered trademark of Merck.

Example

*Sinemet and Sinemet CR (carbidopa/levodopa) are registered trademarks of Merck.

Easy to Manage

  • To manage dopaminergic side effects, reductions in the levodopa dose or dosing frequency may be necessary
  • No liver monitoring or other lab tests are mandatory
  • No interactions reported in clinical trials with other antiparkinsonian drugs such as dopamine agonists, anticholinergics, amantadine, and selegiline
  • Patients may experience a brownish orange discoloration of the urine, which is a harmless side effect

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