Drug interactions
Diphenoxylate-atropine + Loxapine inhaled
Severity: Moderate
Diphenoxylate-atropine and Loxapine inhaled: 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
Loxapine has antimuscarinic and sedating effects, and inhaled loxapine can cause bronchospasm. Combining it with diphenoxylate-atropine may increase sedation and anticholinergic effects such as constipation and urinary retention.
What this interaction means in plain words
Diphenoxylate-atropine and Loxapine inhaled 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 and antimuscarinic activity.
What to do
Monitor for oversedation, urinary retention and reduced bowel motility after dosing. Avoid in patients with obstructive airway disease or ileus.
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
Frequently asked questions
Can I take Diphenoxylate-atropine with Loxapine inhaled?
MediHelp rates the interaction as moderate. Diphenoxylate-atropine and Loxapine inhaled 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. Loxapine has antimuscarinic and sedating effects, and inhaled loxapine can cause bronchospasm. Combining it with diphenoxylate-atropine may increase sedation and anticholinergic effects such as constipation and urinary retention.
How serious is the interaction between Diphenoxylate-atropine and Loxapine inhaled?
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 oversedation, urinary retention and reduced bowel motility after dosing. Avoid in patients with obstructive airway disease or ileus.
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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