Welcome to HealthcareMagic forum,
Naren generalized itching can be caused by lot of factors like liver
d/s,renal d/s etc.Even scabies
can cause itching .Dry skin
as seen in case of thyroid disorder
can cause itching.Iron def can cause itching.Kindly let me know ur age & time of itching (day or night) and other systemic problems so that i can help you out.