Drug interactions
Aripiprazole + Formoterol
Severity: Minor
Aripiprazole and Formoterol: minor 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
Aripiprazole has a low potential for QT prolongation, and formoterol may add slightly to this risk, mainly through hypokalemia and tachycardia. Clinically significant effects are uncommon with inhaled formoterol.
What this interaction means in plain words
Aripiprazole and Formoterol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Aripiprazole belongs to Central Nervous System; Formoterol belongs to Respiratory.
Why it happens
Weak additive effects on cardiac repolarization.
What to do
No routine action is needed; check an ECG and electrolytes if the patient has other QT risk factors.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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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 Aripiprazole
- Aripiprazole + Pimozide Contraindicated
- Aripiprazole + Thioridazine Contraindicated
- Amisulpride + Aripiprazole Major
- Aripiprazole + Arsenic trioxide Major
- Aripiprazole + Calcium / magnesium / potassium / sodium oxybates Major
- Aripiprazole + Carbamazepine Major
Frequently asked questions
Can I take Aripiprazole with Formoterol?
MediHelp rates the interaction as minor. Aripiprazole and Formoterol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Aripiprazole has a low potential for QT prolongation, and formoterol may add slightly to this risk, mainly through hypokalemia and tachycardia. Clinically significant effects are uncommon with inhaled formoterol.
How serious is the interaction between Aripiprazole and Formoterol?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine action is needed; check an ECG and electrolytes if the patient has other QT 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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