These medicine may give u result in starting bt it could not treat permanently. When u leave this again complain start. So better go for homoeopathic medicine which is prescribed by dr. Without constitutional medicine u would not cure.
Next Steps
u can consult online here for treatment.
Health Tips
maintain hygiene.
cut nails properly so tht scratching not disturb other area.
apply coconut oil in that area.
use loose cloth around itching area.
water intake increase