###Human: What can be done to treat severe nerve pain between left bum and leg? ###Assistant: Hello. Are you obese? Are you diabetic? Any pain in the lower back? The possible causes are lumbar spondylosis with radiculopathy or compressive neuropathy or peripheral neuropathy or restless leg syndrome or arthritis if knee with bursitis or peripheral vascular disease, etc. You have to get it done, nerve conduction study and MRI of the lumbar spine. If necessary, you need a color Doppler of the lower limb. Use tablet Naprosyn 250 twice a day for five days. If your symptoms do not improve or develop an allergy to the above drug, please consult your physician or neurophysician. He will examine and treat you accordingly. Take care.