A lay term that refers to enlarged lymph nodes, also called lymph glands. Swollen glands may be caused by an infection, an injury, a dental abscess, or reaction to a medication. When the swelling is gradual and painless, it may result from a tumor.
Enlarged lymph nodes, also called lymph glands. Swollen glands that enlarge suddenly and feel painful are usually caused by a localized or systemic infection or by an injury. Enlarged glands may also be a sign of a dental abscess. The swelling may also be caused by a reaction to certain medications or vaccines, or it may be caused by sores in the mouth or impacted teeth. When the swelling is gradual and painless, it may result from a tumor.