Drug interactions
Atomoxetine + Formoterol
Severity: Moderate
Atomoxetine and Formoterol: 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
Atomoxetine can raise heart rate and blood pressure and has a small QT effect, and beta-2 agonists can add to these cardiovascular effects. The interaction is less likely with inhaled formoterol than with systemic agents.
What this interaction means in plain words
Atomoxetine and Formoterol 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; Formoterol belongs to Respiratory.
Why it happens
Additive sympathomimetic cardiovascular effects and possible additive QT prolongation.
What to do
Monitor heart rate, blood pressure and palpitations when starting or increasing either drug. Obtain an ECG in patients with cardiac risk factors.
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?
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Other interactions of Formoterol
- Adagrasib + Formoterol Major
- Amiodarone + Formoterol Major
- Amisulpride + Formoterol Major
- Amitriptyline + Formoterol Major
- Amoxapine + Formoterol Major
- Arformoterol + Formoterol Major
Other interactions of Atomoxetine
- Atomoxetine + Isocarboxazid Contraindicated
- Atomoxetine + Linezolid Contraindicated
- Atomoxetine + Phenelzine Contraindicated
- Atomoxetine + Procarbazine Contraindicated
- Atomoxetine + Rasagiline Contraindicated
- Atomoxetine + Selegiline Contraindicated
Frequently asked questions
Can I take Atomoxetine with Formoterol?
MediHelp rates the interaction as moderate. Atomoxetine and Formoterol 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 can raise heart rate and blood pressure and has a small QT effect, and beta-2 agonists can add to these cardiovascular effects. The interaction is less likely with inhaled formoterol than with systemic agents.
How serious is the interaction between Atomoxetine and Formoterol?
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 heart rate, blood pressure and palpitations when starting or increasing either drug. Obtain an ECG in patients with cardiac risk factors.
What other medicines interact with Formoterol?
MediHelp also lists interactions of Formoterol with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Formoterol page.
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