Drug interactions
Dextroamphetamine + Thiothixene
Severity: Moderate
Dextroamphetamine 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
Antipsychotics block dopamine receptors and can antagonize the effects of amphetamines, while amphetamines may worsen psychosis. Both agents can also affect heart rhythm and blood pressure.
What this interaction means in plain words
Dextroamphetamine 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
Pharmacodynamic antagonism between dopamine release by dextroamphetamine and D2 receptor blockade by thiothixene.
What to do
Monitor psychiatric symptoms and therapeutic response to both drugs. Check ECG and blood pressure if other risk factors exist.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Dextroamphetamine and Thiothixene, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
Other interactions of Dextroamphetamine
- Dextroamphetamine + Isocarboxazid Contraindicated
- Dextroamphetamine + Linezolid Contraindicated
- Dextroamphetamine + Methylene blue Contraindicated
- Dextroamphetamine + Phenelzine Contraindicated
- Dextroamphetamine + Rasagiline Contraindicated
- Dextroamphetamine + Safinamide Contraindicated
Frequently asked questions
Can I take Dextroamphetamine with Thiothixene?
MediHelp rates the interaction as moderate. Dextroamphetamine 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. Antipsychotics block dopamine receptors and can antagonize the effects of amphetamines, while amphetamines may worsen psychosis. Both agents can also affect heart rhythm and blood pressure.
How serious is the interaction between Dextroamphetamine 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 psychiatric symptoms and therapeutic response to both drugs. Check ECG and blood pressure if other risk factors exist.
What other medicines interact with Dextroamphetamine?
MediHelp also lists interactions of Dextroamphetamine with, for example, Isocarboxazid, Linezolid, Methylene blue. The full list is on the Dextroamphetamine page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
