Conversation: The conversation between human and AI assistant.
[|Human|] I have a lump behind my ear its red and has been there for about 12 days. Went to GP he told me to take antibotics. I have 3 days left - the lump has gone down but not disappeared. lump is not painful. the lump is behind ear to the hairline and under the skin
[|AI|]  Hi, Dear,Welcome with your query to Chat Doctor. Studied your query in full depth of its details. Reviewed it in context of your health concerns. Based On the facts, You mostly seem to suffer from-Mastoid Abscess / or Boil behind Ear. Treatment-Mastoid abscess possibility seems to be more in your case. Antibiotic +NSAIDs with under cove surgical Mastoid Chat Doctor. X-ray skull with mastoid / CT Skull and brain, would confirm diagnosis, prior to treatment evaluation. Second opinion from ENT Surgeon would rule out other causes of red lump behind ear. Hope that, This reply would help you to plan further treatment soon with your treating doctors. Best of Luck and early recovery. Welcome any further query in this regard, which would be replied in next session. Good Day!!