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Drug interactions

Atomoxetine + Fingolimod

Severity: Moderate

Atomoxetine and Fingolimod: 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

Fingolimod causes bradycardia on initiation and has been linked to QT effects, and atomoxetine may add QT and heart rate changes. Combined use may increase arrhythmia risk in vulnerable patients.

What this interaction means in plain words

Atomoxetine and Fingolimod 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.

Atomoxetine belongs to Central Nervous System; Fingolimod belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive effects on cardiac conduction and QT interval (pharmacodynamic).

What to do

Perform ECG and first-dose monitoring as per fingolimod labeling, and monitor heart rate and QT in patients on atomoxetine. Correct electrolyte abnormalities.

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 Atomoxetine with Fingolimod?

MediHelp rates the interaction as moderate. Atomoxetine and Fingolimod 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. Fingolimod causes bradycardia on initiation and has been linked to QT effects, and atomoxetine may add QT and heart rate changes. Combined use may increase arrhythmia risk in vulnerable patients.

How serious is the interaction between Atomoxetine and Fingolimod?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Perform ECG and first-dose monitoring as per fingolimod labeling, and monitor heart rate and QT in patients on atomoxetine. Correct electrolyte abnormalities.

What other medicines interact with Atomoxetine?

MediHelp also lists interactions of Atomoxetine with, for example, Isocarboxazid, Linezolid, Phenelzine. The full list is on the Atomoxetine page.

Full monographs, dosing and an interaction checker in the MediHelp app

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