Swollen Lymph Glands Topic Guide

Swollen Lymph Nodes Swollen Lymph Nodes: Lymph nodes (part of the lymphatic system) may signal infection if they are swollen. Types of conditions that involve swollen lymph nodes include:
  • infection,
  • virus,
  • inflammation, or
  • cancers.
Symptoms of swollen lymph nodes depend upon the location. Treatment of swollen lymph nodes also depends upon the location and reason for the enlargement.

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