Treatment for spinal stenosis?

None to surgery . Up to 20% of the population will have stenosis by imaging studies by age 60. A lot have little to minimal symptoms. Treatment can include: medication, exercise/physical therapy, zero degree lordosis brace, epidural steroid injections & if all treatment fails & symptoms warrant it, surgery in terms of decompressing the neural elements by a laminectomy in the lower back & several options in neck.
Multiple. There are multiple operative and non operative treatments for ski all stenosis. Probably the most common non operative treatment is an epidural steroid injection and operative is a spinal decompression.