It seems that you may be having prurigo simplex
It may be due to irritants, allergens,stress
Take antihistaminics like levocetirizine
daly at night till itching is relieved.
If poor response, you may take steroidsin tappering dose under cover of antibiotics.
Local mild steroid cream would be helpful.
You might be benefitted.
However, you consult dermatologist
I hope you got my answer.
Dr. Ilyas Patel MD