A member asked:

I have 2 large knots behind my left ear and 1 knot behind the other. all knots r bout the size of pea. have had them for yrs. & doesn't hurt. help plz?

A doctor has provided 1 answer
Dr. Dominic Riganotti answered

Specializes in Infectious Disease

Lymph nodes: They are lymph nodes..little sacks that contain immune cells that sit and wait for fluid that contains something they consider foreign and then activate. Postauricular lymph nodes they are called. Sometimes when lymph glands enlarge, they do not decrease back to normal sizes.

Answered 3/20/2015

3.1k views

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