US Patent 11617749 Ophthalmic formulations of cetirizine and methods of use

The present invention provides stable topical formulations of cetirizine that provide a comfortable formulation when instilled in the eye and is effective in the treatment of allergic conjunctivitis and/or allergic conjunctivitis. The invention further provides methods of treating allergic conjunctivitis and/or allergic rhinoconjunctivitis in a subject in need of such treatment by topical application of the cetirizine formulations of the invention directly to the eye.