Olopatadine Hydrochloride Indications Patadin eye drops is indicated for the treatment of signs and symptoms (itchy, watery, red and swollen eyes and/or eyelids) of allergic conjunctivitis including vernal keratoconjunctivitis, vernal keratitis, blepharitis, blepharoconjunctivitis and giant papillary conjunctivitis. Alchek DS Nasal Spray is an H1 receptor antagonist indicated for the relief of the symptoms of seasonal allergic rhinitis […]