Swollen eyelids, top or bottom, can have many causes. Most are not serious, but symptoms can be due to a medical condition. Eyelids can swell due to allergies, infections, or medical conditions ...

A rash on one or both eyelids is usually a sign of dermatitis. Many common environmental irritants, allergens, and daily activities can trigger the red, swollen, itchy skin of a dermatitis rash.