Presently do icing frequently.while resting take correct pillow placement,while lying on back keep pillow below knees,while sleeping on sides keep pillow between legs.correct positioning will relax the back muscles.break your posture frequently.it would be wise if u go to a physiotherapist and timely treatment is started for pain management which includes manual therapy .and eventually strengthen the core muscles to prevent such episodes.radiating pain in leg from back needs to seek attention as it means there is mild compression at the nerves supplying your lower limb. .
Next Steps
meet a physiotherapist Dr or a orthopedic Dr
Health Tips
avoid bending, lifting weight,cross leg sitting,slouching, traveling when in pain.