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 to cold. -- .Do mild exercises for &the affected part.-back and lower limbs. --.visit my YouTube channel 'DrN C Gupta' and watch 'Me & My Yoga' and 'Yoga Simplified'. Kindly subscribe to the channel to get continuous guidence & notifications. 8 It is free. --or else contact a physiotherapist. https://youtube.com/channel/UCPEQc6B1ywzwin048JSu6rw -Any way it may be tried, --. Ugesic (Piroxicam) 20mg 1 tab once a day x 5days --. Caldikind plus  (Mankind) 1 tab Once  a day x 10 days. -(You may need help of your local doctor to get these medicines.) Kindly make sure, there is no allergy to any of these medicines. --For emergency treatment visit nearest hospital. --Wish you a quick recovery & good health. Dr N C Gupta MS (ortho.) DMC no.3624 Thanks.

Get yourself examined and treat the cause.

There is need for complete history of your backpain. Like how your pain started, when you feel pain more, which activity, your occupation. So first need to diagnosis where is problem. You need to consult doctor.

No it won't affect. Since this pain is of such chronic duration I will suggest before starting any treatment go for a mri