“Why am I so itchy?” If you have itchy skin without rash, including issues like eczema, psoriasis, or chronic hives, you might have neuropathic itch.Though itch is caused primarily by inflammation, neuropathic itch is actually caused by dysfunction of your nervous system!Put simply, this type of itch has no primary skin rash, so you won’t see inflamed dry patches or welts. You’ll only feel itchy.It is often localized to certain areas of the body. For example, you could have an itchy scalp, ba...