The redness, swelling and itching of patients’ upper and lower eyelids may be caused by allergic conjunctivitis, blepharitis, insect bite dermatitis and other factors.
1. Allergic conjunctivitis: Allergic conjunctivitis can occur in allergic patients when they are exposed to allergic substances such as pollen and willow floss, leading to discomfort such as eyelid swelling, itching, burning eyes, and increased eyewash.
2. Blepharitis: Blepharitis is a subacute or chronic inflammation of the skin of the eyelid margins, eyelash follicles and their glands. Under the stimulation of inflammation, eyelid itching, redness and swelling, eyelash loss, itching and other discomforts may occur.
3. Insect bite dermatitis: insect bite dermatitis is mostly caused by mosquitoes, lice and other insect bites, if the patient’s upper and lower eyelids are bitten, eyelid edema, pimples, itching and other discomfort.
4. Other: In addition, patients with eczema and contact dermatitis on the upper and lower eyelids may also experience eyelid swelling, itching and other symptoms.
It is recommended that patients with red, swollen and itchy eyelids should seek medical attention to evaluate their condition and follow the doctor’s instructions for treatment.