A member asked:

I have a knot on the lower right side of my head. it is about the size of a ping pong ball. i have been experience very bad headaches. what is this?

A doctor has provided 1 answer
Dr. Katharine Cox answered

Specializes in Pediatric Emergency Medicine

Swelling scalp: May be a cyst or abscess and may or may not be associated with your headaches. See your doctor or send health tap a picture. All the best.

Answered 2/2/2016

2.3k views

Thank

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