Karbinal™ ER (carbinoxamine maleate) Extended-release Oral Suspension is an H1 receptor antagonist indicated for the symptomatic treatment of: Seasonal and perennial allergic rhinitis • Vasomotor rhinitis • Allergic conjunctivitis due to inhalant allergens and foods • Mild, uncomplicated allergic skin manifestations of urticaria and angioedema • Dermatographism • As therapy for anaphylactic reactions adjunctive to epinephrine and other standard measures after the acute manifestations have been controlled. • Amelioration of the severity of allergic reactions to blood or plasma.