Drug interactions
Buprenorphine long-acting + Levocetirizine
Severity: Moderate
Buprenorphine long-acting and Levocetirizine: 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
Long-acting injectable buprenorphine provides prolonged opioid exposure, and levocetirizine may add to sedation. Because the opioid effect cannot be quickly withdrawn, additive drowsiness may persist.
What this interaction means in plain words
Buprenorphine long-acting and Levocetirizine 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 (pharmacodynamic).
What to do
Monitor for sedation and respiratory depression, and avoid combining with other CNS depressants unless needed.
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 Levocetirizine
Frequently asked questions
Can I take Buprenorphine long-acting with Levocetirizine?
MediHelp rates the interaction as moderate. Buprenorphine long-acting and Levocetirizine 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. Long-acting injectable buprenorphine provides prolonged opioid exposure, and levocetirizine may add to sedation. Because the opioid effect cannot be quickly withdrawn, additive drowsiness may persist.
How serious is the interaction between Buprenorphine long-acting and Levocetirizine?
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, and avoid combining with other CNS depressants unless needed.
What other medicines interact with Levocetirizine?
MediHelp also lists interactions of Levocetirizine with, for example, Acrivastine, Asenapine transdermal, Avapritinib. The full list is on the Levocetirizine page.
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