Itchy skin that isn't accompanied by other obvious skin
changes, such as a rash
, is most often caused by dry skin
(xerosis). Other possibilities are of psoriasis, dermatitis, lice, scabies and hives, internal diseases like liver and kidney disorders, diabetes, iron deficiency anemia, irritation and allergic reactions to chemicals, wool, soaps, cosmetics and certain foods .
Take some antihistaminic like Benadryl or Claritin and apply some calamine lotion on the rash.