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Doctor insights on: Lower Back Pain Left Leg Numb

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I have lower back pain which causes my left leg to go numb right behind the kneecap.

I have lower back pain which causes my left leg to go numb right behind the kneecap.

L4 or unrelated: L5 and S1 nerve root impingement produces discomfort that radiates below the knee all the way to the foot. L4 root can produce numbness down to the knee but usually not just behind the knee. Baker's cysts and other problems behing the knee joint can produce numbness behaind the knee but are unrelated to back pain. To sort this all out you will need to undergo an assessment. ...Read more

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Dr. Amanda Itzkoff
14 doctors shared insights

Low Back Pain (Definition)

Low back pain is pain that occurs in the back above the buttock area and below the ribs. Low back pain can be sharp, dull, intermittent or constant. Pain can be at rest or associated with activity. Back pain can also be accompanied with pain that shoots or radiates down into the lower extremities or legs which is frequently ...Read more


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What could cause lower back pain... I can feel tingles down the back of my left leg and it will go numb.

What could cause lower back pain... I can feel tingles down the back of my left leg and it will go numb.

Nerve impingement: With tingling and numbness, it sounds as if you have a definite nerve issues. You most likely have your Sciatic nerve being compressed and that will cause your issues. Have the Dr. evaluate you and some radiology tests would be in order most likely. Nsaids and warm compresses to the back may help to start at this time,...Best wishes. ...Read more

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I have lower back pain that goes down my leg on my left leg and my hip will actually go numb.?

Might be sciatica: Classic presentation of pain radiating down the leg from the back or hip with or without neurologic symptoms describes a probable sciatica although a hip bursitis or tendinitis like a pyriformis syndrome can mimic a "pinched nerve" presentation. If no better in several days with some activity restriction and otc medication, get it checked. ...Read more

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History of low back pain bulging/herniated disks l3-s1, reinjured now left leg going numb, pain when using bathroom, and left ovary pain is that weird?

History of low back pain bulging/herniated disks l3-s1, reinjured now left leg going numb, pain when using bathroom, and left ovary pain is that weird?

Pain: The symptoms you are feeling can be related to disc protrusion/herniation. If you have pain in the ovary and that may not be related to your back. These could be separate issues and you should check with your primary md and/or ob/gyn doc on this first. A urinary tract infection is also something to rule out here. ...Read more

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Having extreme lower back pain, left hip & radiating down my left leg. I was diagnosed with acute spina bifida when i was 12. Should i be concerned?

Having extreme lower back pain, left hip & radiating down my left leg. I was diagnosed with acute spina bifida when i was 12. Should i be concerned?

Different problems: You have sciatica now. This is typically caused by an annular tear in an intervertebral disc or a disc herniation. The type of spina bifida you have is likely spina bifida occulta, not a problem. ...Read more

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Burning lower back pain goes into hip and ocasionaly makes left leg feel very heavy ?

See a neurologist: You may have severe degenerative arthritis or herniated disc in low back which is causing pinching of sciatic nerve. You will need an MRI Scan of low back and possibly other tests before definitive treatment can be decided. ...Read more

Dr. Qamar Khan
2,600 doctors shared insights

Pain In The Back (Definition)

Pain in the back is a symptom that can be due to a number of causes including musculoskeletal or neurological problems or due to problems ...Read more


Dr. Heidi Fowler
3,105 doctors shared insights

Back Pain (Definition)

Pain in the back is a symptom that can be due to a number of causes including musculoskeletal or neurological problems or due to problems ...Read more