Drug interactions
Arformoterol + Promethazine
Severity: Minor
Arformoterol and Promethazine: 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
No clear interaction exists between these drugs. Promethazine may add to heart rate or QT effects of beta-agonists, though this is minor.
What this interaction means in plain words
Arformoterol and Promethazine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Arformoterol belongs to Respiratory; Promethazine belongs to Respiratory.
Why it happens
No established mechanism; possible additive cardiac effects.
What to do
No routine action is needed; monitor heart rate in patients with cardiac disease.
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 Promethazine
- Cabergoline + Promethazine Contraindicated
- Dopamine + Promethazine Contraindicated
- Ibutilide + Promethazine Contraindicated
- Pimozide + Promethazine Contraindicated
- Promethazine + Thioridazine Contraindicated
- Alfentanil + Promethazine Major
Other interactions of Arformoterol
Frequently asked questions
Can I take Arformoterol with Promethazine?
MediHelp rates the interaction as minor. Arformoterol and Promethazine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. No clear interaction exists between these drugs. Promethazine may add to heart rate or QT effects of beta-agonists, though this is minor.
How serious is the interaction between Arformoterol and Promethazine?
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; monitor heart rate in patients with cardiac disease.
What other medicines interact with Promethazine?
MediHelp also lists interactions of Promethazine with, for example, Cabergoline, Dopamine, Ibutilide. The full list is on the Promethazine page.
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