Many times, we only notices the problem when it shows up on the surface. However, what shows on the surface might just be the tip of the iceberg alerting us to look deeper inside for serious issues. Similarly in chronic skin itchiness. Itchiness might just be the signal on the surface to alert us to look deeper inside since inflammatory cells that cause the skin itchiness might already do the same damage inside. The inside organ inflammation would be the one that might damage us in the long run.