A member asked:

Dime sized knot on head. painful to touch. not from an injury. been there for >3 weeks.

A doctor has provided 1 answer

Knot: Most likely cause is either a small hematoma (a collection of clotted blood just under the skin), or a blocked and inflamed hair follicle. Try soaking in warm water and moisturizing the area before bed with triple antibiotic ointment. See a doctor soon if not improving.

Answered 11/27/2017

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