Dear Sir This can be due to Spine Problems You need Clinical Examination Please consult a Neurosurgeon at the earliest

May be due to herniated disc...Ensure that you maintain an appropriate posture while working or sitting or walking....Take frequent stretch breaks and drink lots of water...Discontinue using pillow while sleeping straight...Do not lift heavy objects, especially after bending down....Eat a healthy wholesome meal which should satisfy your minerals and proteins requirement...take over the counter pain medications.. Consult nearest orthopedic surgeon they will do the needful.

Hello. The reason must be either nerve root impingment or disc herniation. You can go to a nearby Ayurveda Doctor for Katibasti and Basti Karma. Ensure your bowel movements are appropriate. Avoid forward or back bending.