Skin conditions like 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 can cause itchy skin.
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your doctor.