Itchy skin without any rash can be due to psoriasis, dermatitis, lice, internal diseases like liver and kidney disorders, diabetes, iron deficiency anemia, irritation and
allergic reactions to chemicals, wool, soaps, cosmetics and
You can apply an anti-itch cream or lotion to the affected area. Oral antihistamine, such as Benadryl can also be used. You should take a comfortably cool bath and wear smooth-textured cotton clothing.