If the corners of the eyes are itchy and combined with sneezing and runny nose, it is usually caused by allergies, which may be caused by contact with specific allergens, allergic conjunctivitis and allergic rhinitis at the same time. The eyes and the nose are connected, and once an allergy occurs, it is very likely that both parts of the body will suffer from an allergic reaction at the same time. The main treatment is to treat the nose and eyes at the same time, the eyes can use anti-allergy drops, such as olopatadine drops or flomilon drops are available, the nose needs to consult the otorhinolaryngologist, with the nose of the spray to the local anti-allergy. Systemic anti-allergy medications such as loratadine or cetirizine can be taken orally and are usually effective for allergies in these two areas.