Skip to content

Drug interactions

Brompheniramine + Butorphanol

Severity: Moderate

Brompheniramine and Butorphanol: 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

Sedating antihistamines add to opioid-induced drowsiness and psychomotor impairment. Older adults are particularly susceptible to confusion and falls.

What this interaction means in plain words

Brompheniramine and Butorphanol 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.

Brompheniramine belongs to Respiratory; Butorphanol belongs to Musculoskeletal.

Evidence level: Moderate

Why it happens

Additive CNS depression from central H1-receptor blockade and opioid receptor activation.

What to do

Advise avoiding driving and alcohol; consider a non-sedating antihistamine if one is 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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Brompheniramine and Butorphanol, 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.

Frequently asked questions

Can I take Brompheniramine with Butorphanol?

MediHelp rates the interaction as moderate. Brompheniramine and Butorphanol 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. Sedating antihistamines add to opioid-induced drowsiness and psychomotor impairment. Older adults are particularly susceptible to confusion and falls.

How serious is the interaction between Brompheniramine and Butorphanol?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise avoiding driving and alcohol; consider a non-sedating antihistamine if one is needed.

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.

Browse A–Z · Drug interactions

Get the app Sign in