The common causes of swollen and itchy eyelids are cosmetic allergies, mosquito bites and eyelid eczema.
1. Cosmetic allergy: If the eyelids are allergic to eye shadow, eye liner, mascara and other cosmetics, the eyelids will be red, swollen and itchy under the action of histamine and other immune factors.
2. Mosquito bites: when the eyelids are bitten by mosquitoes, due to the mosquito toxins injected into the subcutaneous tissue, causing an inflammatory reaction, which can lead to capillary dilation or an increase in the release of inflammatory mediators, there will be eyelid swelling, itching and other discomfort.
3. Eyelid eczema: If the eyelids are stimulated by inflammatory secretions or tears for a long time, the eyelids can be localized to eczema, which can lead to eyelid swelling and itching.
If the eyelids are swollen and itchy, you should go to the regular hospital to find out the cause of the disease and actively cooperate with the professional doctor’s treatment.