Skip to content

Drug interactions

Capivasertib + Metronidazole

Severity: Moderate

Capivasertib and Metronidazole: moderate 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 may modestly raise capivasertib levels by inhibiting CYP3A4. Higher exposure could worsen hyperglycemia, diarrhea and rash.

What this interaction means in plain words

Capivasertib and Metronidazole can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Capivasertib belongs to Oncology; Metronidazole belongs to Anti Parasitic.

Evidence level: Low

Why it happens

CYP3A4 inhibition by metronidazole may reduce capivasertib metabolism.

What to do

Monitor blood glucose and for gastrointestinal and skin toxicity. Reduce the capivasertib dose per labeling if a clinically relevant interaction is suspected.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

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 Capivasertib 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 Capivasertib with Metronidazole?

MediHelp rates the interaction as moderate. Capivasertib and Metronidazole can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Metronidazole may modestly raise capivasertib levels by inhibiting CYP3A4. Higher exposure could worsen hyperglycemia, diarrhea and rash.

How serious is the interaction between Capivasertib and Metronidazole?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood glucose and for gastrointestinal and skin toxicity. Reduce the capivasertib dose per labeling if a clinically relevant interaction is suspected.

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