Many causes: Common possible causes: insect bite, infected follicle, other infection, sebaceous cyst, lice or other parasite, tumor, mole, trauma, hematoma. Get it checked by a doctor.
Answered 8/31/2013
4.9k views
Where is it?: Please clatify where the knot is located. Is it tender, in a bald area of the head? Is there swelling/tenderness? Do you have fevers?
Answered 1/13/2017
4.9k views
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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