Drug interactions
Baclofen + Imipramine
Severity: Moderate
Baclofen and Imipramine: 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
Imipramine is a sedating tricyclic antidepressant and combining it with baclofen can increase drowsiness, dizziness and cognitive impairment. Baclofen has also been associated with memory impairment and muscle hypotonia, and both agents can lower seizure threshold.
What this interaction means in plain words
Baclofen and Imipramine 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; Imipramine belongs to Central Nervous System.
Why it happens
Additive CNS depression from GABA-B agonism and antihistaminic, anticholinergic and alpha-blocking effects of the tricyclic.
What to do
Monitor for oversedation, confusion, hypotension and falls. Start low, titrate gradually and reduce doses if adverse effects appear.
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 Imipramine
- Dronedarone + Imipramine Contraindicated
- Imipramine + Isocarboxazid Contraindicated
- Imipramine + Phenelzine Contraindicated
- Imipramine + Pimozide Contraindicated
- Imipramine + Rasagiline Contraindicated
- Imipramine + Safinamide Contraindicated
Frequently asked questions
Can I take Baclofen with Imipramine?
MediHelp rates the interaction as moderate. Baclofen and Imipramine 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. Imipramine is a sedating tricyclic antidepressant and combining it with baclofen can increase drowsiness, dizziness and cognitive impairment. Baclofen has also been associated with memory impairment and muscle hypotonia, and both agents can lower seizure threshold.
How serious is the interaction between Baclofen and Imipramine?
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, confusion, hypotension and falls. Start low, titrate gradually and reduce doses if adverse effects appear.
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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