Drug interactions
Loxapine + Triprolidine
Severity: Moderate
Loxapine and Triprolidine: 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 is a sedating antipsychotic with anticholinergic properties, and triprolidine adds to both sedation and antimuscarinic effects. Patients may experience marked drowsiness, confusion, constipation or urinary retention.
What this interaction means in plain words
Loxapine and Triprolidine 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 belongs to Central Nervous System; Triprolidine belongs to Respiratory.
Why it happens
Additive CNS depression and antimuscarinic effects.
What to do
Monitor for oversedation and anticholinergic effects, and prefer a non-sedating antihistamine. Take particular care in older adults.
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 Triprolidine
Other interactions of Loxapine
- Alfentanil + Loxapine Major
- Alprazolam + Loxapine Major
- Amisulpride + Loxapine Major
- Amoxapine + Loxapine Major
- Apomorphine + Loxapine Major
- Belladonna and opium + Loxapine Major
Frequently asked questions
Can I take Loxapine with Triprolidine?
MediHelp rates the interaction as moderate. Loxapine and Triprolidine 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 is a sedating antipsychotic with anticholinergic properties, and triprolidine adds to both sedation and antimuscarinic effects. Patients may experience marked drowsiness, confusion, constipation or urinary retention.
How serious is the interaction between Loxapine and Triprolidine?
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 and anticholinergic effects, and prefer a non-sedating antihistamine. Take particular care in older adults.
What other medicines interact with Triprolidine?
MediHelp also lists interactions of Triprolidine with, for example, Belladonna and opium, Benzhydrocodone / acetaminophen, Brexanolone. The full list is on the Triprolidine page.
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