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Drug interactions

Biotin + Lamotrigine

Severity: Minor

Biotin and Lamotrigine: 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

Some antiseizure drugs, mainly enzyme inducers, are associated with low biotin, but lamotrigine has little evidence for this effect.

What this interaction means in plain words

Biotin and Lamotrigine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Biotin belongs to Gastrointestinal Tract; Lamotrigine belongs to Central Nervous System.

Evidence level: Low

Why it happens

No established mechanism for lamotrigine lowering biotin.

What to do

No routine supplementation is needed; evaluate only if symptoms of biotin deficiency occur.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Biotin with Lamotrigine?

MediHelp rates the interaction as minor. Biotin and Lamotrigine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Some antiseizure drugs, mainly enzyme inducers, are associated with low biotin, but lamotrigine has little evidence for this effect.

How serious is the interaction between Biotin and Lamotrigine?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine supplementation is needed; evaluate only if symptoms of biotin deficiency occur.

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.

Full monographs, dosing and an interaction checker in the MediHelp app

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