Eye allergy redness, swelling and itching, you can generally take loratadine tablets, the specific circumstances need to be used under the guidance of a doctor, not self-medication. Eye allergies lead to redness, swelling and itching, mainly due to the immune response caused by exposure to various exogenous allergens, belonging to the allergic skin disease, loratadine tablets is an anti-allergy drug, can treat allergies including eye redness, swelling and itching. Loratadine tablets can be used to relieve symptoms associated with allergic rhinitis, if taken for a long period of time, adverse reactions such as fatigue and drowsiness may occur, and are prohibited for people who are allergic to the drug. If eye allergies appear red, swollen and itchy, it is recommended not to rub, so as not to aggravate the redness and swelling, and should be used under the guidance of a doctor.