Skip to content

Drug interactions

Brompheniramine + Butabarbital

Severity: Moderate

Brompheniramine and Butabarbital: 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

Barbiturates and sedating antihistamines both depress the CNS, so together they cause greater drowsiness, confusion and impaired performance. Respiratory depression can occur at higher doses.

What this interaction means in plain words

Brompheniramine and Butabarbital 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.

Evidence level: Moderate

Why it happens

Additive CNS depression through GABA-A enhancement and H1 receptor blockade.

What to do

Avoid combining where possible; if needed, use reduced doses and monitor sedation. Advise against driving and alcohol use.

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 Butabarbital, 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 Butabarbital?

MediHelp rates the interaction as moderate. Brompheniramine and Butabarbital 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. Barbiturates and sedating antihistamines both depress the CNS, so together they cause greater drowsiness, confusion and impaired performance. Respiratory depression can occur at higher doses.

How serious is the interaction between Brompheniramine and Butabarbital?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid combining where possible; if needed, use reduced doses and monitor sedation. Advise against driving and alcohol use.

What other medicines interact with Brompheniramine?

MediHelp also lists interactions of Brompheniramine with, for example, Alfentanil, Belladonna and opium, Benzhydrocodone / acetaminophen. The full list is on the Brompheniramine 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