A pinched nerve in your left lower back will cause a variety of painful symptoms, including numbness or tingling in the arm or leg, muscle spasms and shooting pain radiating from the buttocks down the leg. A pinched nerve could be due to a herniated disc, a bulging disc, spinal stenosis (a narrowing of the spine), bone spurs or spinal arthritis.
Numbness--a loss of feeling in part or all of that limb--can occur in the arm or leg due to a pinched nerve in the lower back.
Tingling in your back, legs, feet, and/or buttocks is another sign or symptom of a pinched nerve in the left lower back.
Muscle spasms, when muscles tighten without your control, can occur in the back and can be quite painful.
Pain Radiating Down a Leg
A pinched nerve in the lower back can also cause a shooting pain that radiates from the buttocks to the upper or lower leg and sometimes the foot.
Weakness in the Leg
Weakness in the leg is another sign and symptom of pinched nerve in the left lower back. You could be standing or walking and suddenly feel a leg become weak. It can even give out on you causing you to fall.
Burning or Cold Sensations
You might feel burning sensations in your leg muscles from a pinched nerve in your back. You might also feel cold sensations.
Electric sensations can also be a sign or symptom of a pinched nerve in the left lower back. Some people describe it as feeling like multiple bee stings in the leg or hip area.
Slowed reflexes or even a loss of reflexes can occur due to a pinched nerve in the lower back.
Loss of Bladder or Bowel Control
You can have loss of bladder or bowel control due to a pinched nerve in the lower back.
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