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

Needs thorough examination. Only after that a decision should be taken. As she is 71 yrs... You can consider an epidural injection. Surgery is the last resort and only if she is mentally strong and physically lean/moderate as opposed to obese as at this stage metal screws will be used to stabilize the spine along with removal of affected disc.

Consult spine surgeon and get yourself examined by him