Skip to content

Drug interactions

Atogepant + Metronidazole

Severity: Minor

Atogepant and Metronidazole: 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

Metronidazole is at most a weak CYP3A4 inhibitor, so a clinically significant rise in atogepant exposure is unlikely. Atogepant is a CYP3A4 substrate, but only strong inhibitors require dose limits.

What this interaction means in plain words

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

Atogepant belongs to Central Nervous System; Metronidazole belongs to Anti Parasitic.

Evidence level: Low

Why it happens

Possible weak CYP3A4 inhibition by metronidazole slightly reducing atogepant metabolism.

What to do

No dose adjustment is required; monitor for increased atogepant adverse effects such as nausea, constipation and fatigue.

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 Atogepant and Metronidazole, 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 Atogepant with Metronidazole?

MediHelp rates the interaction as minor. Atogepant and Metronidazole have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Metronidazole is at most a weak CYP3A4 inhibitor, so a clinically significant rise in atogepant exposure is unlikely. Atogepant is a CYP3A4 substrate, but only strong inhibitors require dose limits.

How serious is the interaction between Atogepant and Metronidazole?

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 dose adjustment is required; monitor for increased atogepant adverse effects such as nausea, constipation and fatigue.

What other medicines interact with Metronidazole?

MediHelp also lists interactions of Metronidazole with, for example, Ethanol, Pimozide, Amiodarone. The full list is on the Metronidazole 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