Drug interactions
Carisoprodol + Diphenoxylate-atropine
Severity: Moderate
Carisoprodol and Diphenoxylate-atropine: 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
Carisoprodol is a sedating centrally acting muscle relaxant, and opioids potentiate its CNS depressant effects. Concurrent use may cause marked drowsiness and, at high doses, respiratory depression.
What this interaction means in plain words
Carisoprodol and Diphenoxylate-atropine 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.
Carisoprodol belongs to Musculoskeletal; Diphenoxylate-atropine belongs to Gastrointestinal Tract.
Why it happens
Additive CNS and respiratory depression.
What to do
Use the lowest doses for the shortest time, advise against alcohol and driving, and monitor sedation and respiration, especially in older or frail 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?
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Other interactions of Diphenoxylate-atropine
- Diphenoxylate-atropine + Isocarboxazid Contraindicated
- Diphenoxylate-atropine + Phenelzine Contraindicated
- Diphenoxylate-atropine + Tranylcypromine Contraindicated
- Alfentanil + Diphenoxylate-atropine Major
- Alvimopan + Diphenoxylate-atropine Major
- Amitriptyline + Diphenoxylate-atropine Major
Other interactions of Carisoprodol
Frequently asked questions
Can I take Carisoprodol with Diphenoxylate-atropine?
MediHelp rates the interaction as moderate. Carisoprodol and Diphenoxylate-atropine 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. Carisoprodol is a sedating centrally acting muscle relaxant, and opioids potentiate its CNS depressant effects. Concurrent use may cause marked drowsiness and, at high doses, respiratory depression.
How serious is the interaction between Carisoprodol and Diphenoxylate-atropine?
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 doses for the shortest time, advise against alcohol and driving, and monitor sedation and respiration, especially in older or frail patients.
What other medicines interact with Diphenoxylate-atropine?
MediHelp also lists interactions of Diphenoxylate-atropine with, for example, Isocarboxazid, Phenelzine, Tranylcypromine. The full list is on the Diphenoxylate-atropine page.
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