Drug interactions
Baclofen + Dexchlorpheniramine
Severity: Moderate
Baclofen and Dexchlorpheniramine: 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
Dexchlorpheniramine is a sedating antihistamine, and adding it to baclofen can increase drowsiness, dizziness and reduced alertness. Older patients may also develop confusion and fall.
What this interaction means in plain words
Baclofen and Dexchlorpheniramine 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.
Baclofen belongs to Musculoskeletal; Dexchlorpheniramine belongs to Respiratory.
Why it happens
Additive CNS depression from central H1 antagonism and baclofen GABA-B agonism.
What to do
Monitor for oversedation and consider a non-sedating antihistamine if clinically appropriate. Advise against driving and alcohol.
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?
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Other interactions of Baclofen
Other interactions of Dexchlorpheniramine
- Alprazolam + Dexchlorpheniramine Moderate
- Amisulpride + Dexchlorpheniramine Moderate
- Amitriptyline + Dexchlorpheniramine Moderate
- Amobarbital + Dexchlorpheniramine Moderate
- Asenapine + Dexchlorpheniramine Moderate
- Azelastine-fluticasone + Dexchlorpheniramine Moderate
Frequently asked questions
Can I take Baclofen with Dexchlorpheniramine?
MediHelp rates the interaction as moderate. Baclofen and Dexchlorpheniramine 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. Dexchlorpheniramine is a sedating antihistamine, and adding it to baclofen can increase drowsiness, dizziness and reduced alertness. Older patients may also develop confusion and fall.
How serious is the interaction between Baclofen and Dexchlorpheniramine?
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 for oversedation and consider a non-sedating antihistamine if clinically appropriate. Advise against driving and alcohol.
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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