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Ear, Nose, and Throat Disorders

Swollen Submandibular Gland or Lymph Nodes



What are some common causes of swollen submandibular glands and or lymph nodes? I am 39 yrs old and have had swollen, firm knot under my jaw (left side) for +/- 8 yrs. Knot is about 1.5-2CM. Right side knot is smaller >1CM. Thanks for your input.


A "knot" under the jaw may just be your submandibular gland. It is not uncommon to feel a difference between the two sides as one can become more prominent as we age. A thorough head and neck examination by an ENT and possibly an ultrasound of the neck could give the answer.

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Response by:

Lee   Zimmer, MD Lee Zimmer, MD
Assistant Professor or Otolaryngology, Director of Endoscopic Cranial Base Center
College of Medicine
University of Cincinnati