Drug interactions
Butorphanol + Cyclizine
Severity: Moderate
Butorphanol and Cyclizine: 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
Cyclizine is a sedating antihistamine, and giving it with an opioid can intensify drowsiness and impair alertness. Respiratory depression is less likely but can occur with higher doses or in vulnerable patients.
What this interaction means in plain words
Butorphanol and Cyclizine 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.
Butorphanol belongs to Musculoskeletal; Cyclizine belongs to Respiratory.
Why it happens
Additive CNS depression from opioid receptor activity and central H1-antihistamine effects.
What to do
Use the lowest effective doses and monitor sedation and respiratory rate, particularly in elderly or opioid-naive patients. Counsel patients to avoid driving and alcohol.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Butorphanol and Cyclizine, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
Other interactions of Butorphanol
- Butorphanol + Olanzapine / samidorphan Contraindicated
- Butorphanol + Sodium oxybate Contraindicated
- Alfentanil + Butorphanol Major
- Alprazolam + Butorphanol Major
- Alvimopan + Butorphanol Major
- Amobarbital + Butorphanol Major
Other interactions of Cyclizine
- Calcium / magnesium / potassium / sodium oxybates + Cyclizine Major
- Cyclizine + Henbane Major
- Cyclizine + Sodium oxybate Major
- Abobotulinumtoxina + Cyclizine Moderate
- Alfentanil + Cyclizine Moderate
- Alprazolam + Cyclizine Moderate
Frequently asked questions
Can I take Butorphanol with Cyclizine?
MediHelp rates the interaction as moderate. Butorphanol and Cyclizine 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. Cyclizine is a sedating antihistamine, and giving it with an opioid can intensify drowsiness and impair alertness. Respiratory depression is less likely but can occur with higher doses or in vulnerable patients.
How serious is the interaction between Butorphanol and Cyclizine?
MediHelp rates it moderate, 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 and monitor sedation and respiratory rate, particularly in elderly or opioid-naive patients. Counsel patients to avoid driving and alcohol.
What other medicines interact with Butorphanol?
MediHelp also lists interactions of Butorphanol with, for example, Olanzapine / samidorphan, Sodium oxybate, Alfentanil. The full list is on the Butorphanol page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
