You seem to have scalp prurigo.
It may be due to mental sttress.
You are having severe itching
on scalp,hair loss and renal disease
You avoid stress and worries.
Take antihistaminics to relieve itching.
Avoid oral steroids , as you have renal dysfunction
You may take intralesiona steroid injection.
Itching may be relieved.
Take biotin to improve hair growth.
You consult nephrologist
for renal complaints.
I hope you got my answer.
Dr. Ilyas Patel MD