Swollen lymph nodes

  • Definition
    • Lymph nodes are present throughout your body. They are an important part of your immune system. Lymph nodes help your body recognize and fight germs, infections, and other foreign substances.

      The term "swollen glands" refers to enlargement of one or more lymph nodes. The medical name for swollen lymph nodes is lymphadenopathy.

      In a child, a node is considered enlarged if it is more than 1 centimeter (0.4 inch) wide.

  • Alternative Names
    • Swollen glands; Glands - swollen; Lymph nodes - swollen; Lymphadenopathy

  • Considerations
    • Lymph nodes

      Common areas where the lymph nodes can be felt (with the fingers) include:

      • Groin
      • Armpit
      • Neck (there is a chain of lymph nodes on either side of the front of the neck, both sides of the neck, and down each side of the back of the neck)
      • Under the jaw and chin
      • Behind the ears
      • On the back of the head
  • Causes
  • Home Care
    • Painful lymph nodes are generally a sign that your body is fighting an infection. The soreness usually goes away in a couple of days, without treatment. The lymph node may not return to its normal size for several weeks.

  • When to Contact a Medical Professional
    • Call your health care provider if:

      • Your lymph nodes do not get smaller after several weeks or they continue to get larger.
      • They are red and tender.
      • They feel hard, irregular, or fixed in place.
      • You have fever, night sweats, or unexplained weight loss.
      • Any node in a child is larger than 1 centimeter (a little less than half inch) in diameter.
  • What to Expect at Your Office Visit
    • Your provider will perform a physical examination and ask about your medical history and symptoms. Examples of questions that may be asked include:

      • When the swelling began
      • If the swelling came on suddenly
      • Whether any nodes are painful when pressed.

      The following tests may be done:

      Treatment depends on the cause of the swollen nodes.

  • References
    • Armitage JO. Approach to the patient with lymphadenopathy and splenomegaly. In: Goldman L, Schafer AI, eds. Goldman's Cecil Medicine. 25th ed. Philadelphia, PA: Elsevier Saunders; 2016:chap 168.

      Tower RL, Camitta BM. Lymphadenopathy. In: Kliegman RM, Stanton BF, St Geme JW, Schor NF, eds. Nelson Textbook of Pediatrics. 20th ed. Philadelphia, PA: Elsevier; 2016:chap 490.