Drug interactions
Benzhydrocodone / acetaminophen + Loxapine
Severity: Major
Benzhydrocodone / acetaminophen and Loxapine: major 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
Opioids combined with CNS depressants such as antipsychotics can cause profound sedation, respiratory depression, hypotension, coma and death. Loxapine is sedating, so the additive risk is significant.
What this interaction means in plain words
Benzhydrocodone / acetaminophen and Loxapine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Why it happens
Additive CNS and respiratory depression through pharmacodynamic synergism.
What to do
Reserve combined use for patients without adequate alternatives, using the lowest doses and shortest duration. Monitor for sedation and respiratory depression.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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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
Frequently asked questions
Can I take Benzhydrocodone / acetaminophen with Loxapine?
MediHelp rates the interaction as major. Benzhydrocodone / acetaminophen and Loxapine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Opioids combined with CNS depressants such as antipsychotics can cause profound sedation, respiratory depression, hypotension, coma and death. Loxapine is sedating, so the additive risk is significant.
How serious is the interaction between Benzhydrocodone / acetaminophen and Loxapine?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Reserve combined use for patients without adequate alternatives, using the lowest doses and shortest duration. Monitor for sedation and respiratory depression.
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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