What causes red, itchy eyes?



There are many reasons for red, swollen and itchy eyes, such as eye inflammation, allergic reaction, foreign body in the eye, etc.

1. Eye inflammation: Inflammation caused by eye infections can cause red, swollen and itchy eyes, such as blepharitis, blepharitis, etc. As bacteria and viruses invade the eyes, they cause congestion and edema. Due to the invasion of bacteria, viruses, etc. into the eyes, resulting in eye congestion, edema, and also produce a large amount of secretion, and even also accompanied by a slight itching.

2. Allergic reaction: the patient’s eyes come into contact with allergic substances, such as dust, pollen, fur, etc., which may induce contact blepharitis, allergic conjunctivitis, etc., or localized allergy of the skin, which may cause redness, swelling and itching of the eyes.

3. Foreign body in the eye: foreign body in the eye, such as dust, dander, gravel, etc., in addition to redness, swelling, itching and other discomforts, there will be obvious foreign body sensation.

There are many reasons for the redness, swelling and itching of the eyes, it is recommended that patients go to the hospital in time to improve the examination, a clear diagnosis, targeted treatment, do not ignore the symptoms and delay treatment.