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Psychiatrienet β


Type moodstabilizer
Group anticonvulsant
ATC-code N03AX11
PubChem 5284627
PubMed Topiramate topiramate
Kompas (Dutch) Topiramate
Wikipedia Topiramate
Type moodstabilizer
Group anticonvulsant
ATC-code N03AF01
Medscape Carbamazepine
PubChem 2554
PubMed Carbamazepine carbamazepine
Kompas (Dutch) Carbamazepine
Wikipedia Carbamazepine

Adding carbamazepine to topiramate.

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General information
  • Topiramate induces CYP3A4 and is an inhibitor of CYP2C19.
  • Carbamazepine is principally metabolized by CYP3A4, and is a potent inducer of CYP1A2, CYP2C9, CYP3A4 and UDP-glucuronosyltransferases.


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Start carbamazepine
  • Carbamazepine can increase topiramate clearance. By adding topiramate to carbamazepine no dose adaptation is necessary. [5] [6] [7]
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  • This combination of drugs is subject to pharmacokinetic drug interactions. Discontinuation or dose reduction of either drug will need monitoring of the clinical effects and dose adaptation of the drug remained.

  1. 1.0 1.1 1.2 Farmacotherapeutisch Kompas - topiramaat (dutch) Cite error: Invalid <ref> tag; name "ftk" defined multiple times with different content
  2. WHO Collaborating Centre for Drug Statistics Methodology ATC=N03AF01
  3. Farmacotherapeutisch Kompas; Toxicologie (dutch)
  4. KNMP; Informatorium Medicamentorum 2023; Monografie "carbamazepine" (Dutch)
  5. Bazire S, Pshychotropic Drug Directory 2007, HealthComm UK Limited, Aberdeen, 2007.
  6. Schalekamp T. et al, Interacties met Psychofarmaca, Stichting Health Base, Houten, 2002.
  7. Interactions between carbamazepine and topiramate on
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