Combining-Risperidone-Topiramate

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Risperidone
Type antipsychotic
Group atypical AP
Other use moodstabilizer
links
ATC-code N05AX08
Medscape Risperidone
PubChem 5073
PubMed Risperidone
Drugs.com risperidone
Kompas (Dutch) Risperidone
Wikipedia Risperidone
Topiramate
Type moodstabilizer
Group anticonvulsant
links
ATC-code N03AX11
PubChem 5284627
PubMed Topiramate
Drugs.com topiramate
Kompas (Dutch) Topiramate
Wikipedia Topiramate

Adding topiramate to risperidone.

Infobord.png General information
  • Risperidone is principally metabolized by CYP2D6 to an active metabolite 9-OH-risperidone (paliperidone).
  • Topiramate induces CYP3A4 and is an inhibitor of CYP2C19.
  • Risperidone is principally metabolized by CYP2D6 to an active metabolite.
  • This combination of drugs may have possible synergistic effects. However, this combination will also have additive side effects. Dose adaptation will be recommended for this combination.
Eenrichtingbord.png Start topiramate
  • Start topiramate according general dosing advice.
Letopbord.png Cave
  • Caution is advised when topiramate is prescribed with other drugs that predispose patients to heat-related disorders, including carbonic anhydrase inhibitors and drugs with anticholinergic activity. [5]


  1. ↑ 1.0 1.1 KNMP; Informatorium Medicamentorum 2023; Monografie "risperidon" (Dutch)
  2. ↑ Woods SW; Chlorpromazine equivalent doses for the newer atypical antipsychotics J Clin Psychiatry 2003;64:663-667
  3. ↑ 3.0 3.1 The Lundbeck Institute; Psychotropics; Terminal Plasma Half-lives
  4. ↑ 4.0 4.1 Farmacotherapeutisch Kompas - topiramaat (dutch)
  5. ↑ Interactions between risperidone and topiramate on drugs.com
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