I need to know since how long it is(duration is important)? Whether it's associated with tingling and numbness? Need to know your occupation for whether it is long hour sitting or heavy wt lifting job? Does it increase with forward bending or wt lifting?

This treatment is being suggested on bases of the information provided. However I would like to examine & investigate you in detail. -Control  Hypertension, Diabetes or  metabolic disorder, if there is any.  - Sleep on a hard bed with soft bedding. - Keep no pillow under the head. - Avoid painful acts & activities. - Fomentation with warm water. -Let the part not be exposed cold. -Do mild exercises for the affected part.- back and lower limbs  -Any way it may be tried, --. Ugesic (Piroxicam) 20mg 1tab once  a day x 5days  --. Caldikind plus  (Mankind) 1tab Once  a day x 10 days. Kindly make sure, there is no allergy to any of these medicines. --For emergency treatment visit nearest hospital. -For exercises you may visit my YouTube channel- Dr. N C gupta. -Wish you a quick recovery & good health  kindly like & subscribe to the channel to get notification for subsequent videos of your intrest. it is free.  Dr N C Gupta MS (ortho) DMC 3624

If it is persistent since many months , better do an MRI to figure out the root cause and pin point the exact location of what I probably think might be a disc bulge. You can get an MRI LS spine with whole spine screening and consult me

Yes, its radiating pain.. mostly due to nerve compression Avoid long sitting Avoid forward bending Hot water bag massage Powergesic gel application

Get an MRI scan for you ls spine first.