Hello Dr. Im 21 Years Old.i Have Itching On My

hello dr.
im 21 years old.i have itching on my whole body since last 2 months.
already i consult local area doctor which he special in ayurvedic medicines,
he gave me citrygen tablets and soaps and also body lotions for morning time and night time.
but no use from those tablets,
please can give me the best suggestion to cure fastly...
hope you sir