This is due to the muscle spasm and weaknesses which occurs in long sitting/using computer /long travelling.
Next Steps
Go to a physiotherapist.. Ultrasonic therapy +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 /travelling /driving +no cold exposure +no manual exertions +no weight lifting correct posture (sit tall)