What are the main options for treatment of sciatica?

Many: Physical therapy, pain medications, or surgery.

Depends: Depends on cause, but usually one or a combination of pain medication, muscle relaxants, anti-inflammatory agents, physical therapy, transforaminal epidural steroid injection.

Spine Pain Options: This chronic pain in the distribution as you suggested is the result of an irritated nerve or facet joints or other injury typically in the lumbar spine (low back) which are caused by herniated disks, spinal stenosis or degenerative disc disease, etc requiring further evaluation by a spine specialist and may be candidate for facet injections/radiofrequency ablation and epidural steroid injection.