Drug interactions
Baclofen + Trifluoperazine
Severity: Moderate
Baclofen and Trifluoperazine: 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, so together they may increase sedation and impair coordination and alertness. Hypotension and, less commonly, lowered seizure threshold may also occur.
What this interaction means in plain words
Baclofen and Trifluoperazine 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.
Why it happens
Additive CNS depression and possible additive hypotensive effects.
What to do
Monitor for sedation, orthostatic hypotension and seizures, particularly during dose changes. Reduce doses if excessive drowsiness occurs.
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
Frequently asked questions
Can I take Baclofen with Trifluoperazine?
MediHelp rates the interaction as moderate. Baclofen and Trifluoperazine 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, so together they may increase sedation and impair coordination and alertness. Hypotension and, less commonly, lowered seizure threshold may also occur.
How serious is the interaction between Baclofen and Trifluoperazine?
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 sedation, orthostatic hypotension and seizures, particularly during dose changes. Reduce doses if excessive drowsiness occurs.
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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