Recurrent low back pain can be of various reasons. If u r also experiencing radiating pain, it is a sign of nerve compression. Plz do not ignore it. Get a professional assessment and treatment done. Till you find a good therapist you can use hot pack for your lower back and buttocks, stretching exercises for the front of your thighs, sleeping position - Face up keep pillow underneath the knees. U ll get benefit from manual therapy.
Next Steps
Proper assessment and management
Health Tips
Move regularly, avoid prolong sitting in one position, do not cross your legs while sitting or sleeping