Drug interactions
Baclofen + Dexfenfluramine
Severity: Minor
Baclofen and Dexfenfluramine: 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
Baclofen is sedating while dexfenfluramine has serotonergic and stimulant-like properties, so their effects on alertness may partly oppose each other. No well-documented clinically important interaction exists, and dexfenfluramine is no longer marketed in most regions.
What this interaction means in plain words
Baclofen and Dexfenfluramine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Opposing pharmacodynamic effects on CNS arousal; no established pharmacokinetic mechanism.
What to do
No specific adjustment is needed beyond observing the patient's alertness and response.
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 Baclofen
Frequently asked questions
Can I take Baclofen with Dexfenfluramine?
MediHelp rates the interaction as minor. Baclofen and Dexfenfluramine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Baclofen is sedating while dexfenfluramine has serotonergic and stimulant-like properties, so their effects on alertness may partly oppose each other. No well-documented clinically important interaction exists, and dexfenfluramine is no longer marketed in most regions.
How serious is the interaction between Baclofen and Dexfenfluramine?
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 specific adjustment is needed beyond observing the patient's alertness and response.
What other medicines interact with Baclofen?
MediHelp also lists interactions of Baclofen with, for example, Alfentanil, Amobarbital, Belladonna and opium. The full list is on the Baclofen page.
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