Swollen Eyelids: Causes, Allergies & Child Care

A swollen eyelid in a child or adult can be caused by food allergies, infections, or irritation. Identifying why one eyelid is sore and swollen is necessary for determining the best course of relief and treatment.

Causes of One Swollen Eyelid

Published Aug,14 2017 | By Matthew Fox, MD

The eyelids, or palpebrae, have some of the thinnest skin of the body and serve to protect the eyes. The eyelashes also protect the eyes from sweat, dust and debris. Secretions such as tears keep the eyes moist. Infections and inflammation can occur within the skin and glands of the eyelids, leading to swelling.