Drug interactions
Baclofen + Cyproheptadine
Severity: Moderate
Baclofen and Cyproheptadine: 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
Both drugs can cause drowsiness and dizziness, and together they may increase sedation, weakness and falls risk. Older patients and those with renal impairment are at greater risk.
What this interaction means in plain words
Baclofen and Cyproheptadine 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; Cyproheptadine belongs to Respiratory.
Why it happens
Additive CNS depression from H1 antagonism and GABA-B agonism.
What to do
Start with low doses, monitor for sedation and weakness, and counsel against driving until tolerance is established.
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 Cyproheptadine
- Cyproheptadine + Isocarboxazid Contraindicated
- Cyproheptadine + Phenelzine Contraindicated
- Cyproheptadine + Tranylcypromine Contraindicated
- Alfentanil + Cyproheptadine Major
- Belladonna and opium + Cyproheptadine Major
- Benzhydrocodone / acetaminophen + Cyproheptadine Major
Other interactions of Baclofen
Frequently asked questions
Can I take Baclofen with Cyproheptadine?
MediHelp rates the interaction as moderate. Baclofen and Cyproheptadine 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. Both drugs can cause drowsiness and dizziness, and together they may increase sedation, weakness and falls risk. Older patients and those with renal impairment are at greater risk.
How serious is the interaction between Baclofen and Cyproheptadine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Start with low doses, monitor for sedation and weakness, and counsel against driving until tolerance is established.
What other medicines interact with Cyproheptadine?
MediHelp also lists interactions of Cyproheptadine with, for example, Isocarboxazid, Phenelzine, Tranylcypromine. The full list is on the Cyproheptadine page.
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