Your symptoms are due to a medical condition-carpal tunnel syndrome. This usually causes numbness in thumb, index, middle, and part of the fourth fingers. Also numbness radiate to arm .
It is treated with-Vitamin B6 (pyridoxine) medications. Also Non steroidal anti-inflammatory drugs decrease the inflammation.or management.
You can also use -rest, immobilization of the wrist in a splint, and occasionally ice application. Also Physical therapy will help you.
I suggest you to see Physician for management.