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Drug interactions

Ozanimod + Quetiapine

Severity: Moderate

Ozanimod and Quetiapine: 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

Ozanimod can slow heart rate and conduction on initiation, while quetiapine can prolong the QT interval. Bradycardia may increase the arrhythmic risk of QT-prolonging drugs.

What this interaction means in plain words

Ozanimod and Quetiapine 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.

Ozanimod belongs to Central Nervous System; Quetiapine belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive bradycardic effect of S1P modulation and QT prolongation from quetiapine.

What to do

Obtain a baseline ECG and seek cardiology input before starting ozanimod in patients taking quetiapine. Monitor heart rate and QTc and keep electrolytes normal.

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.

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Frequently asked questions

Can I take Ozanimod with Quetiapine?

MediHelp rates the interaction as moderate. Ozanimod and Quetiapine 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. Ozanimod can slow heart rate and conduction on initiation, while quetiapine can prolong the QT interval. Bradycardia may increase the arrhythmic risk of QT-prolonging drugs.

How serious is the interaction between Ozanimod and Quetiapine?

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 seek cardiology input before starting ozanimod in patients taking quetiapine. Monitor heart rate and QTc and keep electrolytes normal.

What other medicines interact with Quetiapine?

MediHelp also lists interactions of Quetiapine with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Quetiapine page.

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