Conversation: The conversation between human and AI assistant.
[|Human|] Ive had a lump deep in the right back side of my head for maybe 3-6 months. my blood cell count was normal. i read somewhere vaccines could cause this...i had a tdap around january. would this cause it? i had no other reactions to it. the node is about a half in. in diameter or so.
[|AI|]  Hi, Dear,Thanks for the query to My Chat Doctor Clinic. I studied your query in details and understood your health concerns.-Cause of your lump on the back of head after TRAP vaccine shot-a- Yes this appears and mostly is -post-TDAP shot lump with -reactive hyperplasia in the lymph nodes -in back of your head. The cause is -reactive hyperplasia in lymph node post vaccination. This advice would help you to plan treatment with your doctor. Hope this resolves your query. Wellcome for further query in this regard. Have a Good Day...!! With Regards