Drug interactions
Buprenorphine subdermal implant + Cetirizine
Severity: Moderate
Buprenorphine subdermal implant and Cetirizine: 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
Buprenorphine is an opioid, and adding an antihistamine with sedative effects can increase drowsiness and reduce psychomotor performance. Respiratory depression is possible but uncommon with cetirizine.
What this interaction means in plain words
Buprenorphine subdermal implant and Cetirizine 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 and respiratory depression via opioid receptor agonism and H1 blockade.
What to do
Monitor for sedation and respiratory depression, particularly if other depressants are used. Counsel patients on avoiding alcohol and driving.
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 Cetirizine
- Acrivastine + Cetirizine Moderate
- Amisulpride + Cetirizine Moderate
- Asenapine + Cetirizine Moderate
- Avapritinib + Cetirizine Moderate
- Benzhydrocodone / acetaminophen + Cetirizine Moderate
- Brexpiprazole + Cetirizine Moderate
Frequently asked questions
Can I take Buprenorphine subdermal implant with Cetirizine?
MediHelp rates the interaction as moderate. Buprenorphine subdermal implant and Cetirizine 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. Buprenorphine is an opioid, and adding an antihistamine with sedative effects can increase drowsiness and reduce psychomotor performance. Respiratory depression is possible but uncommon with cetirizine.
How serious is the interaction between Buprenorphine subdermal implant and Cetirizine?
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 sedation and respiratory depression, particularly if other depressants are used. Counsel patients on avoiding alcohol and driving.
What other medicines interact with Cetirizine?
MediHelp also lists interactions of Cetirizine with, for example, Acrivastine, Amisulpride, Asenapine. The full list is on the Cetirizine page.
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