Itchy eyes in allergic rhinitis signal the possibility of allergic rhinitis with allergic conjunctivitis. One of the main causes of allergic rhinitis is heredity, a polygenic genetic predisposition that can be induced by exposure to allergens. The pathogenesis of allergic conjunctivitis is similar to that of allergic rhinitis, so patients with genetic factors leading to allergic rhinitis are more likely to get allergic conjunctivitis at the same time. Allergic conjunctivitis should reduce the contact of allergens, pay attention to hygiene, regular mite removal, wear a mask. You can apply cold compresses to the eyelids during an attack and rinse the eyes regularly with saline. Drug treatment is mainly antihistamine components, you can take oral loratadine and other anti-allergy, but also can use orotidine eye drops and so on. Allergic rhinitis itchy eyes, there may be other reasons, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, to give targeted medication or treatment.