A method and preparation for reducing dry eye symptoms and promoting tear
secretion in a subject in need of such treatment is disclosed. The method
comprises administering to the eyes of the subject a non-drying
antihistamine compound, such as epinastine hydrochloride, in an amount
effective to reduce dry eye symptoms and stimulate tear fluid secretion.
Pharmaceutical formulations and methods of making the same are also
disclosed. Methods of administering the compound include topical
administration via a liquid, gel, cream, or as part of a contact lens or
a continuous or selective release device; or systemic administration via
nasal drops or spray, inhalation by nebulizer or other device, oral form
(liquid or pill), injectable, intra-operative instillation or suppository
form.