Itch all over no rash. Antihistamines and creams no effect. Bloods clear for kid, lib, thyroid. Soap free shower. Scratching. Gbs '09 I had this too?

Many possibilities. To help you some additional questions to answer: 1) any travel to outside of us or snorkeling/scuba activity? Some parasites, infections can manifest this way. 2) understand no soap being used - but chemicals are everywhere. Anything new that you are being exposed to? 3) sexually active? Pregnancy, std can cause these symptoms as well 4) psychological factors? Anxiety, depression, ocd, etc.