Drug interactions
Carbamazepine + Ponesimod
Severity: Moderate
Carbamazepine and Ponesimod: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Carbamazepine may reduce ponesimod exposure, possibly lessening its efficacy in multiple sclerosis. The clinical significance is uncertain.
What this interaction means in plain words
Carbamazepine and Ponesimod can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Carbamazepine belongs to Central Nervous System; Ponesimod belongs to Central Nervous System.
Why it happens
Induction of CYP3A4 and UGT1A1 by carbamazepine is expected to enhance ponesimod metabolism.
What to do
Avoid coadministration where possible, as labeling does not recommend it. If used together, monitor for loss of disease control.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Carbamazepine
- Artemether / lumefantrine + Carbamazepine Contraindicated
- Cabotegravir + Carbamazepine Contraindicated
- Carbamazepine + Delamanid Contraindicated
- Carbamazepine + Dienogest / estradiol valerate Contraindicated
- Carbamazepine + Doravirine Contraindicated
- Carbamazepine + Elbasvir / grazoprevir Contraindicated
Other interactions of Ponesimod
- Fingolimod + Ponesimod Contraindicated
- Ponesimod + Siponimod Contraindicated
- Amiodarone + Ponesimod Major
- Amisulpride + Ponesimod Major
- Anagrelide + Ponesimod Major
- Anti-thymocyte + Ponesimod Major
Frequently asked questions
Can I take Carbamazepine with Ponesimod?
MediHelp rates the interaction as moderate. Carbamazepine and Ponesimod can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Carbamazepine may reduce ponesimod exposure, possibly lessening its efficacy in multiple sclerosis. The clinical significance is uncertain.
How serious is the interaction between Carbamazepine and Ponesimod?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid coadministration where possible, as labeling does not recommend it. If used together, monitor for loss of disease control.
What other medicines interact with Carbamazepine?
MediHelp also lists interactions of Carbamazepine with, for example, Artemether / lumefantrine, Cabotegravir, Delamanid. The full list is on the Carbamazepine page.
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