Hello
There are n number of reasons for itching, also you have not given any further details as to is there any rash, any discharge when you scratch, since how long is it and like wise...
So it is really very difficult to give any suggestions...
Genuinely speaking, it's better you visit some Good Homoeopath Nearby who will examine you , take detailed information and suggest Medicines accordingly.
Health Tips
Presently apply Some Moisturizer or plain Coconut oil....
Use Glycerin based soap.