Brompheniramine is pheniramine in which the hydrogen at position 4 of the phenyl substituent is substituted by bromine. A histamine H1 receptor antagonist, brompheniramine is used (commonly as its maleate salt) for the symptomatic relief of allergic conditions, including rhinitis and conjunctivitis. It has a role as a H1-receptor antagonist and an anti-allergic agent. It is a member of pyridines and an organobromine compound.