Thanks for choosing HCM.
1] You may have to give hot water fomentation 2-3 times a day for 5-10 minutes daily for a week.
2] You will need to give sufficient rest to the affected part.
3] Avoid exertion.
4] You may have to take some anti-inflammatory analgesics for a week.
5] To rule out the possibility of crack fracture
a X-ray of the wrist & fingers may be taken.
6] Consider Carpel Tunnel Syndrome[ R S T.]