That depends on how your pain is currently. If you are feeling completely fine you can gradually start doing some exercises.
If you feel that the pain is again coming by doing any of the exercises, then better to avoid them for few more days..
Next Steps
You may take some medicines like analgesic, muscle relaxant for pain relief, start hot fomentation, apply analgesic ointment locally..
Health Tips
Avoid heavy work, avoid jerky movements of neck..