Drug interactions
Biotin + Valproic acid
Severity: Minor
Biotin and Valproic acid: 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
Valproate has been linked to reduced biotinidase activity and low biotin status. This is mainly a concern for long-term therapy and in children. Clinical consequences are uncommon.
What this interaction means in plain words
Biotin and Valproic acid 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; Valproic acid belongs to Central Nervous System.
Why it happens
Valproate may reduce biotinidase activity and biotin availability; the mechanism is not fully established.
What to do
Routine action is not required. Consider biotin supplementation if there are signs of deficiency such as alopecia, rash or neurological symptoms.
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 Valproic acid
- Ertapenem + Valproic acid Contraindicated
- Imipenem / cilastatin / relebactam + Valproic acid Contraindicated
- Imipenem / cilastatin + Valproic acid Contraindicated
- Meropenem / vaborbactam + Valproic acid Contraindicated
- Meropenem + Valproic acid Contraindicated
- Calcium / magnesium / potassium / sodium oxybates + Valproic acid Major
Other interactions of Biotin
- Biotin + Levothyroxine Moderate
- Azithromycin + Biotin Minor
- Biotin + Carbamazepine Minor
- Biotin + Cefalexin Minor
- Biotin + Erythromycin base Minor
- Biotin + Erythromycin ethylsuccinate Minor
Frequently asked questions
Can I take Biotin with Valproic acid?
MediHelp rates the interaction as minor. Biotin and Valproic acid have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Valproate has been linked to reduced biotinidase activity and low biotin status. This is mainly a concern for long-term therapy and in children. Clinical consequences are uncommon.
How serious is the interaction between Biotin and Valproic acid?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Routine action is not required. Consider biotin supplementation if there are signs of deficiency such as alopecia, rash or neurological symptoms.
What other medicines interact with Valproic acid?
MediHelp also lists interactions of Valproic acid with, for example, Ertapenem, Imipenem / cilastatin / relebactam, Imipenem / cilastatin. The full list is on the Valproic acid page.
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