Leg Numbness and Back Pain: Possible Causes and Solutions

Leg numbness and lower back pain?

Hello Doctor: About a month ago, I started experiencing a tingling sensation in my foot, but it would go away quickly.
After receiving acupuncture treatment from a traditional Chinese medicine practitioner, the tingling became more persistent.
About a week ago, my right foot has been almost constantly numb, and if it comes into contact with cold water, I feel pain.
Recently, my left foot has also started to feel numb, and I have a sharp, pulling pain on the outer side of my thigh.
Additionally, when I bend down or straighten my back, I experience an electric shock-like sensation in my back, along with lower back pain.
My abdomen also feels numb, and when touched, it feels as if there is no direct contact.
I previously had an X-ray, and the doctor mentioned that I have sciatica.
However, from my online research, it seems that most cases are usually unilateral numbness.
I would like to know if there could be other underlying causes.

LZ, 20~29 year old female. Ask Date: 2021/04/29

Dr. Jiang Junyi reply Neurology

Hello, based on your description, it may be necessary to consider symptoms related to a herniated disc compressing the nerves.
A herniated disc can also occur due to sudden injuries, such as twisting the waist abruptly, bending to lift heavy objects, or experiencing sudden excessive force, such as falling from a ladder or landing directly on the spine.
If a herniated disc causes localized inflammatory responses, it may result in back pain and compress the nerve roots, leading to numbness and tingling extending to one side of the lower limb.
Such conditions may trigger acute symptoms due to posture, such as paresthesia or electric shock sensations.
It is recommended that you visit a neurologist or a rehabilitation specialist for examination and follow-up.
Wishing you good health and peace.
Dr.
Jiang Junyi from Taoyuan Hospital cares about you.

Reply Date: 2021/04/29

More Info

The symptoms you are experiencing, including numbness in your legs, back pain, and the peculiar sensations in your abdomen, can be indicative of several underlying conditions. Given the complexity of your symptoms, it is essential to consider a comprehensive approach to diagnosis and treatment.

Possible Causes
1. Sciatica: As your doctor mentioned, sciatica is a common condition that occurs when the sciatic nerve, which runs from your lower back down through your legs, is compressed or irritated. This can lead to symptoms such as numbness, tingling, and pain that radiates down the leg. While sciatica typically affects one side of the body, it can sometimes cause bilateral symptoms, especially if there is significant nerve involvement or if there are issues in the lumbar spine affecting both sides.

2. Herniated Disc: A herniated disc in the lumbar region can press on spinal nerves, leading to pain, numbness, and tingling in the legs. This condition can also cause back pain that may worsen with certain movements or positions.

3. Spinal Stenosis: This condition involves the narrowing of the spinal canal, which can put pressure on the spinal cord and nerves. Symptoms often include pain, numbness, and weakness in the legs, particularly when standing or walking.

4. Peripheral Neuropathy: This condition affects the peripheral nerves and can cause numbness, tingling, and pain in the legs. It can be caused by various factors, including diabetes, vitamin deficiencies, and certain medications.

5. Muscle Strain or Injury: Strains in the muscles of the back or legs can lead to pain and discomfort, which may also contribute to nerve irritation.

6. Other Conditions: Conditions such as multiple sclerosis, fibromyalgia, or even vascular issues can also present with similar symptoms.

Recommended Actions
1. Further Evaluation: Since you have already undergone X-rays, it may be beneficial to pursue an MRI of the lumbar spine. An MRI can provide a more detailed view of the soft tissues, including discs and nerves, and help identify any herniations or stenosis that may not be visible on X-ray.

2. Physical Therapy: Engaging in physical therapy can help strengthen the muscles around your spine, improve flexibility, and alleviate pressure on the nerves. A physical therapist can design a program tailored to your specific needs and symptoms.

3. Medication: Non-steroidal anti-inflammatory drugs (NSAIDs) can help reduce inflammation and relieve pain. If your symptoms are severe, your doctor may consider prescribing stronger medications or muscle relaxants.

4. Lifestyle Modifications: Maintaining a healthy weight, practicing good posture, and avoiding prolonged sitting or standing can help alleviate symptoms. Incorporating regular low-impact exercises, such as walking or swimming, can also be beneficial.

5. Alternative Therapies: While acupuncture and other alternative therapies can provide relief for some individuals, it is essential to ensure that these treatments are administered by qualified practitioners and are part of a broader treatment plan.

6. Follow-Up: Regular follow-ups with your healthcare provider are crucial to monitor your symptoms and adjust your treatment plan as necessary. If your symptoms worsen or new symptoms arise, seek medical attention promptly.

Conclusion
Your symptoms warrant a thorough evaluation to determine the underlying cause and appropriate treatment. While sciatica is a likely contributor, other conditions could also be at play. A multidisciplinary approach involving medical evaluation, physical therapy, and lifestyle changes can significantly improve your quality of life and alleviate your symptoms. Always consult with your healthcare provider before making any changes to your treatment plan.

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