Drug interactions
Brompheniramine + Phendimetrazine
Severity: Minor
Brompheniramine and Phendimetrazine: 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
Phendimetrazine is a sympathomimetic anorectic that causes stimulation, while brompheniramine is sedating. Their effects partly oppose each other and the interaction is not well defined. Anticholinergic effects may add to tachycardia.
What this interaction means in plain words
Brompheniramine and Phendimetrazine 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
No established mechanism; opposing CNS effects with possible additive tachycardia.
What to do
No specific action is needed beyond monitoring heart rate and blood pressure.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Brompheniramine and Phendimetrazine, 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 Brompheniramine
Frequently asked questions
Can I take Brompheniramine with Phendimetrazine?
MediHelp rates the interaction as minor. Brompheniramine and Phendimetrazine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Phendimetrazine is a sympathomimetic anorectic that causes stimulation, while brompheniramine is sedating. Their effects partly oppose each other and the interaction is not well defined. Anticholinergic effects may add to tachycardia.
How serious is the interaction between Brompheniramine and Phendimetrazine?
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 is needed beyond monitoring heart rate and blood pressure.
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.
