Drug interactions
Baclofen + Benzphetamine
Severity: Minor
Baclofen and Benzphetamine: 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 causes sedation and weakness, while benzphetamine is a sympathomimetic anorectic that is stimulating. The net effect on alertness is unpredictable and no clear, clinically important interaction is established.
What this interaction means in plain words
Baclofen and Benzphetamine 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 required; assess the patient's alertness and blood pressure when starting the combination. Do not rely on the stimulant to offset baclofen sedation.
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 Benzphetamine?
MediHelp rates the interaction as minor. Baclofen and Benzphetamine 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 causes sedation and weakness, while benzphetamine is a sympathomimetic anorectic that is stimulating. The net effect on alertness is unpredictable and no clear, clinically important interaction is established.
How serious is the interaction between Baclofen and Benzphetamine?
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 required; assess the patient's alertness and blood pressure when starting the combination. Do not rely on the stimulant to offset baclofen sedation.
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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