Knot behind my ear.

[Laur66]

What could cause a knot/cyst behind my ear? I went to the doctor and she told my a lymthnode, but it has got bigger and more sore to touch. I have had an extreme increase in the amount of severe headaches I have been having. I do not know if that is related. I plan on making an appointment with an ear,nose, and throat doctor tomorrow. But I am becoming more concerned with the sheer size and pain it is causing.
Thanks,
Lauren

[Dr. Kokil Mathur]

Hi
Welcome to the MedHelp forum!
Since the lump is increasing in size causing pain and headache, it can be an abscess or boil, infected cyst or a swollen lymphnode. . You may not have been sick but local infections like dandruff or dermatitis too can cause a lymph node to swell and be tender or it could be due to ear infection, pharyngitis.
It is good you are seeing an ENT specialist. The confirmation is done by either an excision biopsy or by fine needle aspiration cytology. Some doctors prefer to do a CT scan. Take care!

[JanaBerry]

just try not to touch or bother it i would say still go to the doctor maybe they can give you an antibiotic but it will probably go down on its own