Itchy spots on My Head Not relieved on Medication.

Dear Ask The Doctor:  I keep getting very itchy spots on the back of my head and behind my ears which sometimes grow quite large and weep. I have tried medicated shampoo's which dry them up but they soon reappear.
 

Dear Patient:  Scalp infections are caused by infectious and non infectious agents. The infections of the scalp include fungal, folliculitis due to bacteria, and viral (herpes zoster & herpes simplex). The non infectious causes include eczema, psoriasis, autoimmune disorders. I would suggest that you consult your doctor or a dermatologist to rule out infections and also investigate you for the non infectious causes by doing a complete blood count, microscopical analysis of any discharge and local skin.

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