Drug interactions
Benzhydrocodone / acetaminophen + Meclizine
Severity: Major
Benzhydrocodone / acetaminophen and Meclizine: 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
Benzhydrocodone is an opioid prodrug of hydrocodone, and meclizine is a sedating antihistamine. Combined use may cause profound sedation and respiratory depression.
What this interaction means in plain words
Benzhydrocodone / acetaminophen and Meclizine 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.
What to do
Use the lowest effective doses for the shortest duration. Monitor for sedation and respiratory depression and counsel against driving or alcohol.
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 Meclizine
Frequently asked questions
Can I take Benzhydrocodone / acetaminophen with Meclizine?
MediHelp rates the interaction as major. Benzhydrocodone / acetaminophen and Meclizine 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. Benzhydrocodone is an opioid prodrug of hydrocodone, and meclizine is a sedating antihistamine. Combined use may cause profound sedation and respiratory depression.
How serious is the interaction between Benzhydrocodone / acetaminophen and Meclizine?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use the lowest effective doses for the shortest duration. Monitor for sedation and respiratory depression and counsel against driving or alcohol.
What other medicines interact with Meclizine?
MediHelp also lists interactions of Meclizine with, for example, Belladonna and opium, Brexanolone, Buprenorphine long-acting. The full list is on the Meclizine page.
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