Drug interactions
Formoterol-mometasone + Paroxetine
Severity: Minor
Formoterol-mometasone and Paroxetine: 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
Formoterol can prolong the QT interval and lower potassium. Paroxetine carries a low QT liability, so added risk is small but may matter in patients with other predisposing factors.
What this interaction means in plain words
Formoterol-mometasone and Paroxetine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Formoterol-mometasone belongs to Respiratory; Paroxetine belongs to Central Nervous System.
Why it happens
Additive, weak QT-prolonging pharmacodynamic effects, with possible beta2-agonist-induced hypokalemia.
What to do
No routine change is needed. Check ECG and electrolytes if the patient has cardiac disease, electrolyte disturbance or other QT-prolonging drugs.
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-mometasone
Other interactions of Paroxetine
- Isocarboxazid + Paroxetine Contraindicated
- Methylene blue + Paroxetine Contraindicated
- Paroxetine + Phenelzine Contraindicated
- Paroxetine + Pimozide Contraindicated
- Paroxetine + Procarbazine Contraindicated
- Paroxetine + Selegiline Contraindicated
Frequently asked questions
Can I take Formoterol-mometasone with Paroxetine?
MediHelp rates the interaction as minor. Formoterol-mometasone and Paroxetine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Formoterol can prolong the QT interval and lower potassium. Paroxetine carries a low QT liability, so added risk is small but may matter in patients with other predisposing factors.
How serious is the interaction between Formoterol-mometasone and Paroxetine?
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 change is needed. Check ECG and electrolytes if the patient has cardiac disease, electrolyte disturbance or other QT-prolonging drugs.
What other medicines interact with Formoterol-mometasone?
MediHelp also lists interactions of Formoterol-mometasone with, for example, Amiodarone, Amisulpride, Amoxapine. The full list is on the Formoterol-mometasone page.
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