Skip to content

Drug interactions

Fluticasone + Mitotane

Severity: Moderate

Fluticasone and Mitotane: 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

Mitotane is a potent CYP3A4 inducer and can substantially lower fluticasone levels. Mitotane also causes adrenal insufficiency, which complicates corticosteroid management.

What this interaction means in plain words

Fluticasone and Mitotane 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.

Fluticasone belongs to Respiratory; Mitotane belongs to Oncology.

Evidence level: Moderate

Why it happens

Mitotane induces CYP3A4, increasing fluticasone metabolism.

What to do

Monitor for loss of asthma or allergy control and adjust fluticasone dose accordingly. Be alert to adrenal insufficiency on mitotane.

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 Fluticasone and Mitotane, 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 Fluticasone with Mitotane?

MediHelp rates the interaction as moderate. Fluticasone and Mitotane 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. Mitotane is a potent CYP3A4 inducer and can substantially lower fluticasone levels. Mitotane also causes adrenal insufficiency, which complicates corticosteroid management.

How serious is the interaction between Fluticasone and Mitotane?

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 for loss of asthma or allergy control and adjust fluticasone dose accordingly. Be alert to adrenal insufficiency on mitotane.

What other medicines interact with Fluticasone?

MediHelp also lists interactions of Fluticasone with, for example, Atazanavir, Clarithromycin, Cobicistat. The full list is on the Fluticasone 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