Skip to content

Drug interactions

Olanzapine + Osilodrostat

Severity: Moderate

Olanzapine and Osilodrostat: 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

Both drugs can prolong the QT interval, so combining them may increase the risk of torsades de pointes, particularly with electrolyte disturbance or heart disease. Olanzapine has a relatively low QT liability, which moderates the risk.

What this interaction means in plain words

Olanzapine and Osilodrostat 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.

Olanzapine belongs to Central Nervous System; Osilodrostat belongs to Endocrine.

Evidence level: Low

Why it happens

Additive QT prolongation through cardiac repolarisation effects.

What to do

Obtain a baseline ECG and repeat after starting or changing doses. Correct potassium and magnesium levels, and be careful with additional QT-prolonging drugs.

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 Olanzapine and Osilodrostat, 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 14 days on the web. No card needed.

Frequently asked questions

Can I take Olanzapine with Osilodrostat?

MediHelp rates the interaction as moderate. Olanzapine and Osilodrostat 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. Both drugs can prolong the QT interval, so combining them may increase the risk of torsades de pointes, particularly with electrolyte disturbance or heart disease. Olanzapine has a relatively low QT liability, which moderates the risk.

How serious is the interaction between Olanzapine and Osilodrostat?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Obtain a baseline ECG and repeat after starting or changing doses. Correct potassium and magnesium levels, and be careful with additional QT-prolonging drugs.

What other medicines interact with Olanzapine?

MediHelp also lists interactions of Olanzapine with, for example, Amisulpride, Amoxapine, Apomorphine. The full list is on the Olanzapine 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