Celestamine is a combination anti-allergy drug of betamethasone and dexchlorpheniramine maleate. It is a prescription type, manufactured by Essex. Celestamine is categorized under the Antihistamines and Antiallergics; however it is also classified under the corticosteroids. While, dexchlorpheniramine maleate provides the antihistaminic or anti-allergy action, betamethasone acts as the corticosteroid support.