Left Lower Back and Leg Pain: Causes and Solutions

Pain in the lower left back (near the hip) and left leg?

Hello Doctor: For the past two weeks, I have been experiencing soreness in my lower left back and a tingling sensation in my left leg, particularly around the ankle and tibia area.
I can walk normally, but there is a persistent dull pain.
The soreness in my lower left back started to worsen after I went jogging two weeks ago; I have not had this issue before.
However, the tingling in my left leg has been occurring intermittently for about a year, especially noticeable when I lie down to sleep.
What could these symptoms indicate? If it is a spinal issue, I had an X-ray during my military physical examination, which showed no signs of scoliosis.
Could it possibly be caused by leg length discrepancy? (I have noticed that my right hand is longer than my left, which is apparent when I bring my arms together, but I'm not sure about my legs.) I am a bit worried and would like to know if I should seek medical assistance and get checked.
Thank you, Doctor!

Dan You, 20~29 year old female. Ask Date: 2006/04/22

Dr. Shi Guozheng reply Orthopedics

It could be sciatica, so it is best to visit a hospital for a physician's examination.
Sciatica is caused by compression of the spinal nerves as they pass through the intervertebral foramen due to a herniated disc or bone spurs.
The pain typically radiates from the buttocks down the back of the thigh and calf, reaching the sole of the foot, often accompanied by sensations of tingling or pain.
Sometimes, there may also be weakness in the calf or foot.
The pain may worsen when the patient exerts pressure in the abdominal area.

Reply Date: 2006/04/22

More Info

Dear Patient,
Thank you for reaching out with your concerns regarding the left lower back and leg pain you have been experiencing. Based on your description, it seems that your symptoms may be related to a combination of musculoskeletal issues and possibly nerve involvement. Let's break down the potential causes and solutions for your condition.

Possible Causes
1. Muscle Strain or Sprain: Given that your left lower back pain began after a period of running, it is possible that you may have strained a muscle in your lower back. Muscle strains can occur when the muscles are overstretched or torn, often due to sudden movements or improper lifting techniques.

2. Nerve Compression: The symptoms you describe in your left leg, particularly the tingling and numbness, could indicate nerve compression, possibly from a herniated disc or spinal stenosis. When the discs in the spine degenerate or bulge, they can press on nearby nerves, leading to pain that radiates down the leg.

3. Sciatica: This condition occurs when the sciatic nerve, which runs from the lower back down through the legs, is irritated or compressed. Symptoms typically include pain, tingling, or numbness that can extend from the lower back to the leg.

4. Leg Length Discrepancy: You mentioned a potential leg length discrepancy, which can lead to uneven stress on the spine and pelvis, contributing to lower back pain. While you noted that your X-ray did not show scoliosis, a subtle leg length difference could still affect your posture and biomechanics.

5. Postural Issues: Poor posture, especially during activities like running or sitting, can lead to muscle imbalances and pain. If you tend to lean to one side or have a habit of slouching, this could exacerbate your symptoms.

Recommended Solutions
1. Physical Therapy: A physical therapist can assess your posture, flexibility, and strength. They can design a tailored exercise program to strengthen your core and back muscles, improve flexibility, and correct any postural issues.

2. Rest and Activity Modification: It’s important to allow your body to recover. Avoid activities that exacerbate your pain, and consider low-impact exercises such as swimming or cycling, which can help maintain fitness without putting too much strain on your back.

3. Pain Management: Over-the-counter pain relievers, such as ibuprofen or acetaminophen, can help manage pain and inflammation. However, consult with a healthcare provider before starting any medication.

4. Ergonomic Adjustments: If you spend long hours sitting, ensure that your workspace is ergonomically friendly. Use a chair that supports your lower back and maintain a neutral spine position.

5. Consult a Specialist: Given the duration and nature of your symptoms, it would be wise to consult a healthcare professional, such as an orthopedic specialist or a neurologist. They may recommend imaging studies, such as an MRI, to assess for any underlying issues like herniated discs or nerve compression.

6. Evaluate Leg Length: If you suspect a leg length discrepancy, a thorough evaluation by a specialist can determine if this is contributing to your symptoms. Custom orthotics or shoe lifts may be recommended if a significant difference is found.

Conclusion
In summary, your left lower back and leg pain could stem from various causes, including muscle strain, nerve compression, or postural issues. It is advisable to seek professional evaluation to determine the exact cause and receive appropriate treatment. Early intervention can help prevent further complications and facilitate a quicker recovery.

Please take care, and I hope you find relief soon. If you have any further questions or concerns, feel free to reach out.

Best regards,
Doctor Q&A Teams

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