Skip to content

Drug interactions

Biotin + Erythromycin ethylsuccinate

Severity: Minor

Biotin and Erythromycin ethylsuccinate: 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

Oral erythromycin may alter gut flora, which in theory could reduce the bacterial contribution to biotin availability. Dietary and supplemental biotin is the main source, so a clinically meaningful drop in biotin status is not expected.

What this interaction means in plain words

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

Evidence level: Low

Why it happens

Antibiotic-related change in intestinal bacteria that synthesize some biotin; the effect is theoretical.

What to do

No routine action is needed. Consider checking biotin status only if deficiency symptoms occur during prolonged antibiotic courses.

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.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Biotin and Erythromycin ethylsuccinate, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 7 days on the web. No card needed.

Frequently asked questions

Can I take Biotin with Erythromycin ethylsuccinate?

MediHelp rates the interaction as minor. Biotin and Erythromycin ethylsuccinate have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Oral erythromycin may alter gut flora, which in theory could reduce the bacterial contribution to biotin availability. Dietary and supplemental biotin is the main source, so a clinically meaningful drop in biotin status is not expected.

How serious is the interaction between Biotin and Erythromycin ethylsuccinate?

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 action is needed. Consider checking biotin status only if deficiency symptoms occur during prolonged antibiotic courses.

What other medicines interact with Biotin?

MediHelp also lists interactions of Biotin with, for example, Levothyroxine, Azithromycin, Carbamazepine. The full list is on the Biotin page.

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

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

Browse A–Z · Drug interactions

Get the app Sign in