Consult a physiotherapist as the problem can be postural creating pain due to muscle weakness by overuse.
Next Steps
Go to a physiotherapist.. Ultrasonic +IFT +Heating therapy +some strengthening as well as stretching exercises will be helpful for sure.
Health Tips
At home.. Rest +hot water fomentation +pain killer gel +no long sitting /standing /walking /travelling /driving +no cold exposure +no manual exertions +no weight lifting +no jerks +no forward bending.