Lymph Nodes, Swollen

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Symptom Definition

• Increased size of a lymph node in the neck, armpit or groin.
• Usually larger than the corresponding node on the other side of the body.
• Normal nodes are usually less than ½ inch across (size of pea or baked bean).

Causes

• Nodes with a viral infection are usually ½ to 1 inch across.
• Nodes with a bacterial infection are usually longer than 1 inch across (size of a quarter).

See More Appropriate Topic (instead of this one) If

• Swollen node is in the neck and sore throat is the main symptom, see SORE THROAT.