Drug interactions
Brompheniramine + Dexfenfluramine
Severity: Minor
Brompheniramine and Dexfenfluramine: minor 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
Brompheniramine causes sedation while dexfenfluramine has serotonergic, appetite-suppressing activity with mixed alerting effects, so the net effect is unclear. Dexfenfluramine has been withdrawn from the market in most regions.
What this interaction means in plain words
Brompheniramine and Dexfenfluramine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Opposing pharmacodynamic CNS effects; no established pharmacokinetic interaction.
What to do
No specific action beyond awareness of variable sedation; advise patients to assess their own alertness before driving.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Brompheniramine
Frequently asked questions
Can I take Brompheniramine with Dexfenfluramine?
MediHelp rates the interaction as minor. Brompheniramine and Dexfenfluramine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Brompheniramine causes sedation while dexfenfluramine has serotonergic, appetite-suppressing activity with mixed alerting effects, so the net effect is unclear. Dexfenfluramine has been withdrawn from the market in most regions.
How serious is the interaction between Brompheniramine and Dexfenfluramine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No specific action beyond awareness of variable sedation; advise patients to assess their own alertness before driving.
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.
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