Drug interactions
Lamotrigine + Sevelamer
Severity: Minor
Lamotrigine and Sevelamer: minor 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
No well-established interaction exists between these drugs. Sevelamer is not absorbed but can bind some oral drugs in the gut, so a small reduction in lamotrigine absorption is theoretically possible.
What this interaction means in plain words
Lamotrigine and Sevelamer have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Lamotrigine belongs to Central Nervous System; Sevelamer belongs to Miscellaneous.
Why it happens
Theoretical binding of lamotrigine in the gastrointestinal tract; not well established.
What to do
Consider giving lamotrigine at least one hour before or three hours after sevelamer, and monitor seizure control.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Lamotrigine
Other interactions of Sevelamer
- Carbamazepine + Sevelamer Moderate
- Ciprofloxacin + Sevelamer Moderate
- Dichlorphenamide + Sevelamer Moderate
- Erdafitinib + Sevelamer Moderate
- Gabapentin + Sevelamer Moderate
- Mycophenolic acid + Sevelamer Moderate
Frequently asked questions
Can I take Lamotrigine with Sevelamer?
MediHelp rates the interaction as minor. Lamotrigine and Sevelamer have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. No well-established interaction exists between these drugs. Sevelamer is not absorbed but can bind some oral drugs in the gut, so a small reduction in lamotrigine absorption is theoretically possible.
How serious is the interaction between Lamotrigine and Sevelamer?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Consider giving lamotrigine at least one hour before or three hours after sevelamer, and monitor seizure control.
What other medicines interact with Lamotrigine?
MediHelp also lists interactions of Lamotrigine with, for example, Desogestrel-ethinyl estradiol, Divalproex, Dofetilide. The full list is on the Lamotrigine page.
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