The most common causes of itchy eyes and the more you rub them, the more itchy they get, are allergic conjunctivitis, or infections. 1. Allergic conjunctivitis: this is the most important cause of itchy eyes, which is caused by allergens, and will appear itchy eyes, the more you rub the more itchy situation. First of all, avoid rubbing the eyes, and apply anti-allergy drugs, such as Olopatadine eye drops. If the condition is serious, you can also take oral anti-allergy drugs. 2. Eye infections: Bacteria, mycoplasma, chlamydia and other infections can cause conjunctivitis and other eye infections, manifested as itchy discomfort in the eye, sometimes the more you rub the more itchy, you need to choose according to the causative agent of the infection of the appropriate anti-infective treatment. When eye itching occurs, you should go to a regular medical institution in time to determine the specific cause and carry out the appropriate treatment, so as not to delay the condition. Never rub your eyes with your hands, especially if the itching gets worse and you can’t stop rubbing, which is unhygienic and can even aggravate eye infections.