Drug interactions
Atropine + Thiothixene
Severity: Moderate
Atropine 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
Thiothixene has mild anticholinergic activity that adds to atropine's effects, causing dry mouth, constipation, urinary retention and confusion. Slowed gut motility may also alter oral absorption of thiothixene.
What this interaction means in plain words
Atropine 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 antimuscarinic effects, with possible reduced gastrointestinal absorption from slowed transit.
What to do
Monitor for anticholinergic toxicity and for loss of antipsychotic response. Limit concurrent anticholinergic drugs in older patients.
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 Atropine 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 Atropine
- Atropine + Eluxadoline Major
- Atropine + Henbane Major
- Atropine + Pramlintide Major
- Abobotulinumtoxina + Atropine Moderate
- Aclidinium + Atropine Moderate
- Amantadine + Atropine Moderate
Frequently asked questions
Can I take Atropine with Thiothixene?
MediHelp rates the interaction as moderate. Atropine 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. Thiothixene has mild anticholinergic activity that adds to atropine's effects, causing dry mouth, constipation, urinary retention and confusion. Slowed gut motility may also alter oral absorption of thiothixene.
How serious is the interaction between Atropine 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 for anticholinergic toxicity and for loss of antipsychotic response. Limit concurrent anticholinergic drugs in older patients.
What other medicines interact with Atropine?
MediHelp also lists interactions of Atropine with, for example, Eluxadoline, Henbane, Pramlintide. The full list is on the Atropine 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.
