Deaths have been reported in children less than 2 years of age who were taking antihistamines, including carbinoxamine-containing drug products, therefore, carbinoxamine maleate is contraindicated in children younger than 2 years of age (see CONTRAINDICATIONS).
Antihistamines should be used with considerable caution in patients with: narrow angle glaucoma, stenosing peptic ulcer, symptomatic prostatic hypertrophy, bladder neck obstruction, pyloroduodenal obstruction.
There is currently no manufacturer warning information available for this drug.
Carbinoxamine maleate is effective 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.
Carbinoxamine maleate is a histamine-H1 receptor blocking agent.
Each tablet contains 4 mg carbinoxamine maleate and the following inactive ingredients: anhydrous lactose, magnesium stearate, microcrystalline cellulose, and sodium starch glycolate.
Each 5 mL (teaspoonful) of oral solution contains 4 mg carbinoxamine maleate and the following inactive ingredients: artificial bubble gum flavor, citric acid (anhydrous), glycerin, methylparaben, propylene glycol, propylparaben, purified water, sodium citrate (hydrous) and sorbitol solution.
Carbinoxamine maleate is freely soluble in water. Its structure is:
2-[(4-chlorophenyl)-2-pyridinylmethoxy]-N, N-dimethyl-ethanamine (Z)-2-butenedioate (1:1)
C16H19CIN2O•C4H4O4
MW = 406.86