My pain management doctor is recommending a left lumbar sympathetic block for the pain in my left foot. is this reasonable?

Yes: Lsbs are used either diagnostically or therapeutically to diagnose or treat certain certain types of leg and foot pain. A series of three are often recommended before considering alternative remedies.

Yes : This may provide the best method of pain control for your specific case. You've probably tried several neuropathy medications and analgesics; discuss all treatment options with your doctor.

LSB: Lumbar sympathetic block is use for neuropathic pain in the lower extremity. It's reasonable for your doctor to recommend this treatment.