Drug interactions
Dexfenfluramine + Escitalopram
Severity: Major
Dexfenfluramine and Escitalopram: major 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
Dexfenfluramine releases serotonin and inhibits its reuptake, so combining it with an SSRI may precipitate serotonin syndrome. The drug has been withdrawn in most markets, and the interaction is largely historical.
What this interaction means in plain words
Dexfenfluramine and Escitalopram can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Why it happens
Additive serotonergic activity from serotonin release and reuptake inhibition.
What to do
Avoid the combination. If exposure occurs, monitor for neuromuscular, autonomic and mental status changes of serotonin syndrome.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Escitalopram
- Cisapride + Escitalopram Contraindicated
- Citalopram + Escitalopram Contraindicated
- Escitalopram + Isocarboxazid Contraindicated
- Escitalopram + Methylene blue Contraindicated
- Escitalopram + Phenelzine Contraindicated
- Escitalopram + Pimozide Contraindicated
Frequently asked questions
Can I take Dexfenfluramine with Escitalopram?
MediHelp rates the interaction as major. Dexfenfluramine and Escitalopram can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Dexfenfluramine releases serotonin and inhibits its reuptake, so combining it with an SSRI may precipitate serotonin syndrome. The drug has been withdrawn in most markets, and the interaction is largely historical.
How serious is the interaction between Dexfenfluramine and Escitalopram?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination. If exposure occurs, monitor for neuromuscular, autonomic and mental status changes of serotonin syndrome.
What other medicines interact with Escitalopram?
MediHelp also lists interactions of Escitalopram with, for example, Cisapride, Citalopram, Isocarboxazid. The full list is on the Escitalopram page.
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