Drug interactions
Carbamazepine + Sevelamer
Severity: Moderate
Carbamazepine and Sevelamer: 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
Sevelamer might reduce carbamazepine absorption by binding in the gut, which could lower levels and risk loss of seizure control. Evidence is limited and the effect is variable.
What this interaction means in plain words
Carbamazepine and Sevelamer 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; Sevelamer belongs to Miscellaneous.
Why it happens
Sevelamer may bind carbamazepine in the gastrointestinal tract and reduce its absorption; the mechanism is not firmly established.
What to do
Give carbamazepine at least 1 hour before or 3 hours after sevelamer, and monitor carbamazepine levels and seizure 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 Sevelamer
- Ciprofloxacin + Sevelamer Moderate
- Dichlorphenamide + Sevelamer Moderate
- Erdafitinib + Sevelamer Moderate
- Gabapentin + Sevelamer Moderate
- Mycophenolic acid + Sevelamer Moderate
- Roxadustat + Sevelamer Moderate
Frequently asked questions
Can I take Carbamazepine with Sevelamer?
MediHelp rates the interaction as moderate. Carbamazepine and Sevelamer 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. Sevelamer might reduce carbamazepine absorption by binding in the gut, which could lower levels and risk loss of seizure control. Evidence is limited and the effect is variable.
How serious is the interaction between Carbamazepine and Sevelamer?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Give carbamazepine at least 1 hour before or 3 hours after sevelamer, and monitor carbamazepine levels and seizure 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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