Electrical shocks in lower back and bum but not leg also buzzing in foot. is this sciatica? should i stop running.

Sciatica is: A general term for pain that goes from the butt, down the back of the thigh, to the calf or foot. Causes can be pinched nerves in the back or butt (where the sciatic nerve starts and travels). Many describe pinched nerves as electric shocks which have as many causes as there are nerves. Treatment includes avoidance of pain generators (running, if that's what causes pain) and an eval of the cause.

I answered these: Questions before- if pain persist, see pcp- i'd hold back on running till you get some answers.

Sciatica: Pain in the distribution as you suggested describes the pattern of the nerve that travels in the leg called the sciatic nerve. The sciatic nerve is not the cause of the pain source, it is the result of an irritated nerve typically in the lumbar spine (low back) which are caused by herniated disks, spinal stenosis or degenerative disc disease requiring further evaluation by a spine specialist.