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Brompheniramine

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Sourced from published veterinary references. Awaiting credentialed clinical reviewer — our editorial process.

Drug Class

Respiratory

Routes

PO

Indications

Allergic reactionsAllergic rhinitispruritusrhinitis

Mechanism of Action

Competitive H1 receptor antagonist of the propylamine class that blocks histamine-mediated allergic responses and has mild anticholinergic properties.

Side effects & warnings

Sedation common. Ensure product does not contain decongestants (phenylephrine, pseudoephedrine) or other additives. Anticholinergic side effects.

Species with Brompheniramine dosing data (2 dose rules)

Cat (Domestic)Dog (Domestic)

Species references:All Cat (Domestic) drugsAll Dog (Domestic) drugs

Evidence levels across 2 dose rules

Weak×1Extrapolated×1

Each ExoticRx dose rule is graded by the strength of its primary evidence — see the editorial process.

Backed by a published source

  • · Plumb's Veterinary Drug Handbook, 9th Ed

Sample dosing (2 of 2 cited rules)

A dog/cat sample is shown here. Cited dosing for all 2 species — reptiles, birds, pocket pets, livestock, and equine — is free on the per-species pages above. Pro adds the weight-based calculator for every species.

SpeciesRouteDoseFrequencyEvidenceSource
Dog (Domestic)PO0.1–0.2 mg/kgq8-12hWeakPlumb's Veterinary Drug Handbook, 9th Ed
Cat (Domestic)PO0.1–0.2 mg/kgq12hExtrapolatedPlumb's Veterinary Drug Handbook, 9th Ed

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