A member asked:

I have a red bump behind right ear. used over counter meds. it got smaller but hasn't gone away. it's been two weeks.?

A doctor has provided 1 answer

Bump Behind Ear: The most common cause of a bump behind the ear is a cyst that must be surgically excised. Other causes include:recurrent scalp infections, thyroid (hyperthyroidism), lymphoma or tumor of lymph node, dermatitis, hodgkin's disease (cancer of lymph tissue), cat allergies and others.

Answered 10/29/2012

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