Drug interactions
Butorphanol + Carbinoxamine
Severity: Moderate
Butorphanol and Carbinoxamine: 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
Carbinoxamine is a sedating antihistamine and adds to the sedative effects of butorphanol. Impaired alertness and psychomotor performance are likely.
What this interaction means in plain words
Butorphanol and Carbinoxamine 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; Carbinoxamine belongs to Respiratory.
Why it happens
Additive CNS depression from opioid agonism and central H1 receptor blockade.
What to do
Monitor for excessive sedation and advise against driving or alcohol. Consider a non-sedating antihistamine.
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 Butorphanol
- Butorphanol + Olanzapine / samidorphan Contraindicated
- Butorphanol + Sodium oxybate Contraindicated
- Alfentanil + Butorphanol Major
- Alprazolam + Butorphanol Major
- Alvimopan + Butorphanol Major
- Amobarbital + Butorphanol Major
Other interactions of Carbinoxamine
- Alprazolam + Carbinoxamine Moderate
- Amisulpride + Carbinoxamine Moderate
- Amitriptyline + Carbinoxamine Moderate
- Amobarbital + Carbinoxamine Moderate
- Asenapine + Carbinoxamine Moderate
- Azelastine-fluticasone + Carbinoxamine Moderate
Frequently asked questions
Can I take Butorphanol with Carbinoxamine?
MediHelp rates the interaction as moderate. Butorphanol and Carbinoxamine 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. Carbinoxamine is a sedating antihistamine and adds to the sedative effects of butorphanol. Impaired alertness and psychomotor performance are likely.
How serious is the interaction between Butorphanol and Carbinoxamine?
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 excessive sedation and advise against driving or alcohol. Consider a non-sedating antihistamine.
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.
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