Drug interactions
Alprazolam + Thiothixene
Severity: Moderate
Alprazolam 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
Combining a benzodiazepine with a sedating antipsychotic produces additive central nervous system depression. Patients may experience excess drowsiness, dizziness, impaired psychomotor performance and falls.
What this interaction means in plain words
Alprazolam 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
Additive CNS depression from GABA-A potentiation by alprazolam and dopamine/histamine/adrenergic blockade by thiothixene.
What to do
Use the lowest effective doses and monitor for oversedation and psychomotor impairment, especially when starting or increasing either drug. Advise patients to avoid 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 Alprazolam
- Alprazolam + Calcium / magnesium / potassium / sodium oxybates Contraindicated
- Alprazolam + Itraconazole Contraindicated
- Alprazolam + Ketoconazole Contraindicated
- Alprazolam + Levoketoconazole Contraindicated
- Alprazolam + Sodium oxybate Contraindicated
- Alfentanil + Alprazolam Major
Frequently asked questions
Can I take Alprazolam with Thiothixene?
MediHelp rates the interaction as moderate. Alprazolam 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. Combining a benzodiazepine with a sedating antipsychotic produces additive central nervous system depression. Patients may experience excess drowsiness, dizziness, impaired psychomotor performance and falls.
How serious is the interaction between Alprazolam 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: Use the lowest effective doses and monitor for oversedation and psychomotor impairment, especially when starting or increasing either drug. Advise patients to avoid driving and alcohol.
What other medicines interact with Alprazolam?
MediHelp also lists interactions of Alprazolam with, for example, Calcium / magnesium / potassium / sodium oxybates, Itraconazole, Ketoconazole. The full list is on the Alprazolam page.
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