Drug interactions
Arformoterol + Citalopram
Severity: Moderate
Arformoterol and Citalopram: 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
Citalopram prolongs the QT interval in a dose-dependent manner, and arformoterol, a long-acting beta-2 agonist, can cause hypokalemia and QT prolongation. Their combination may increase arrhythmia risk.
What this interaction means in plain words
Arformoterol and Citalopram 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.
Arformoterol belongs to Respiratory; Citalopram belongs to Central Nervous System.
Why it happens
Additive QT prolongation, with beta-agonist-induced hypokalemia.
What to do
Monitor potassium and ECG in patients with cardiac disease or other QT risk factors. Do not exceed the recommended citalopram dose.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Arformoterol and Citalopram, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
Other interactions of Citalopram
- Cisapride + Citalopram Contraindicated
- Citalopram + Dronedarone Contraindicated
- Citalopram + Escitalopram Contraindicated
- Citalopram + Isocarboxazid Contraindicated
- Citalopram + Methylene blue Contraindicated
- Citalopram + Phenelzine Contraindicated
Other interactions of Arformoterol
Frequently asked questions
Can I take Arformoterol with Citalopram?
MediHelp rates the interaction as moderate. Arformoterol and Citalopram 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. Citalopram prolongs the QT interval in a dose-dependent manner, and arformoterol, a long-acting beta-2 agonist, can cause hypokalemia and QT prolongation. Their combination may increase arrhythmia risk.
How serious is the interaction between Arformoterol and Citalopram?
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 potassium and ECG in patients with cardiac disease or other QT risk factors. Do not exceed the recommended citalopram dose.
What other medicines interact with Citalopram?
MediHelp also lists interactions of Citalopram with, for example, Cisapride, Dronedarone, Escitalopram. The full list is on the Citalopram page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
