Hi , yes I have experienced the itches inside and out. Next week is 5 years for me. The inside eventually goes away but every once in awhile my head itches like crazy for a day…think it’s all part of it!
I had a craniotomy in January, and last month was the first month I didn't feel like I had fleas. I didn't find any solutions; as I assumed it was just nerve endings getting reconnected or something. Good luck with the recommended shampoo, I hope you find relief soon!