Drug interactions
Difenoxin + Loxapine
Severity: Moderate
Difenoxin and Loxapine: 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
Difenoxin is an opioid antidiarrheal metabolite of diphenoxylate and can cause CNS depression at higher doses. Combined with loxapine, additive sedation and respiratory depression may occur.
What this interaction means in plain words
Difenoxin and Loxapine 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.
Difenoxin belongs to Gastrointestinal Tract; Loxapine belongs to Central Nervous System.
Why it happens
Additive CNS depression from opioid activity and antipsychotic sedation.
What to do
Keep to the labeled antidiarrheal dose and monitor for drowsiness and slowed breathing. Avoid alcohol and other sedatives.
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 Loxapine
- Alfentanil + Loxapine Major
- Alprazolam + Loxapine Major
- Amisulpride + Loxapine Major
- Amoxapine + Loxapine Major
- Apomorphine + Loxapine Major
- Belladonna and opium + Loxapine Major
Other interactions of Difenoxin
Frequently asked questions
Can I take Difenoxin with Loxapine?
MediHelp rates the interaction as moderate. Difenoxin and Loxapine 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. Difenoxin is an opioid antidiarrheal metabolite of diphenoxylate and can cause CNS depression at higher doses. Combined with loxapine, additive sedation and respiratory depression may occur.
How serious is the interaction between Difenoxin and Loxapine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Keep to the labeled antidiarrheal dose and monitor for drowsiness and slowed breathing. Avoid alcohol and other sedatives.
What other medicines interact with Loxapine?
MediHelp also lists interactions of Loxapine with, for example, Alfentanil, Alprazolam, Amisulpride. The full list is on the Loxapine page.
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