I wanted to add to this discussion in case it would benefit anyone. Itching is a form of pain at the low end of the pain scale, and that pain can be caused by inflammation, but also by nerve compression. If you have an issue with tight muscles or poor posture with abnormal body mechanics, it might be a physical issue that a physical therapist could help. I have thoracic outlet syndrome which make my shoulders go forward and the front of my chest wall muscles are too tight. I've had itching in my scapula area, and forearm pain and itching too, but my recent physical therapy session that is working on getting my scapulas back into a normal position by strengthening the muscles that hold it, is helping me. If anyone can relate to something like that, a PT evaluation might be a good next step. My PT also does myofascial release work that stretches the overly tight fascia. See myofascialrelease.com for info.