Drug interactions
Carvedilol + Thiothixene
Severity: Moderate
Carvedilol and Thiothixene: 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
Carvedilol and thiothixene may raise each other's levels, and both can lower blood pressure. This may lead to additive hypotension, sedation, or extrapyramidal effects. The clinical evidence is limited.
What this interaction means in plain words
Carvedilol and Thiothixene 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
Possible competition for CYP2D6 metabolism, with additive hypotensive effects.
What to do
Monitor blood pressure, heart rate, and antipsychotic adverse effects when starting or changing doses. Adjust either drug if orthostatic hypotension or excess sedation 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 Carvedilol
Frequently asked questions
Can I take Carvedilol with Thiothixene?
MediHelp rates the interaction as moderate. Carvedilol and Thiothixene 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. Carvedilol and thiothixene may raise each other's levels, and both can lower blood pressure. This may lead to additive hypotension, sedation, or extrapyramidal effects. The clinical evidence is limited.
How serious is the interaction between Carvedilol and Thiothixene?
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 blood pressure, heart rate, and antipsychotic adverse effects when starting or changing doses. Adjust either drug if orthostatic hypotension or excess sedation occurs.
What other medicines interact with Carvedilol?
MediHelp also lists interactions of Carvedilol with, for example, Amifostine, Amiodarone, Arformoterol. The full list is on the Carvedilol page.
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