Drug interactions
Asenapine transdermal + Citalopram
Severity: Moderate
Asenapine transdermal 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
Asenapine can prolong the QT interval and citalopram does so in a dose-dependent manner. Combined use may increase the risk of arrhythmia, especially with other risk factors.
What this interaction means in plain words
Asenapine transdermal 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.
Why it happens
Additive effects on cardiac repolarization.
What to do
Obtain a baseline ECG and correct electrolytes. Keep citalopram at the lowest effective dose and monitor for cardiac symptoms.
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 Asenapine transdermal 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
Frequently asked questions
Can I take Asenapine transdermal with Citalopram?
MediHelp rates the interaction as moderate. Asenapine transdermal 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. Asenapine can prolong the QT interval and citalopram does so in a dose-dependent manner. Combined use may increase the risk of arrhythmia, especially with other risk factors.
How serious is the interaction between Asenapine transdermal 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: Obtain a baseline ECG and correct electrolytes. Keep citalopram at the lowest effective dose and monitor for cardiac symptoms.
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.
