Foot Numbness: A Guide for Herniated Disc Patients

Q: Foot Numbness: A Guide for Herniated Disc Patients

A： Based on the symptoms described, it is very likely that a lumbar disc herniation is the cause. <br>If possible, please visit a hospital's rehabilitation department for an examination and to arrange for rehabilitation therapy.

Tingling in the soles of the feet may be associated with lumbar disc herniation?

Hello doctor, I have a problem with lumbar disc herniation.
I went for spinal traction and felt fine afterward, so I haven't gone back for almost a year without any recurrence.
However, a few days ago, I went to buy rice because we ran out, and my lower back started to feel uncomfortable.
At night, my feet would become numb; this happened twice, once in my right foot and once in my left foot.
Now, both of my feet feel a bit numb, but only the soles are affected, while my thighs and calves are not numb.
I'm not sure what's going on.
What can I do at home to manage this condition?

ROBERT, 30~39 year old female. Ask Date: 2023/09/03

Dr. Li Weiqiang reply Rehabilitation

A: Based on the symptoms described, it is very likely that a lumbar disc herniation is the cause.
If possible, please visit a hospital's rehabilitation department for an examination and to arrange for rehabilitation therapy.

Reply Date: 2023/09/03

More Info

Understanding foot numbness, especially in the context of a herniated disc, can be quite complex. It is essential to recognize that the spine, particularly the lumbar region, plays a crucial role in the function of the lower limbs. When a herniated disc occurs, it can lead to compression of the spinal nerves, which may result in various symptoms, including pain, weakness, and numbness in the legs and feet.

In your case, experiencing numbness in the soles of your feet after a period of inactivity and following a physical activity like lifting a heavy bag of rice could indicate that the herniated disc is still affecting your nerve function. The fact that you have had episodes of numbness in both feet suggests that the issue may not be isolated to one side but could be related to the overall condition of your lumbar spine.

Possible Causes of Foot Numbness
1. Nerve Compression: The most common cause of foot numbness in patients with a herniated disc is nerve compression. When the disc bulges or herniates, it can press on the nerves that exit the spinal column, leading to symptoms in the areas those nerves supply, including the feet.

2. Postural Changes: If you have been compensating for your back pain or have altered your posture due to discomfort, this can lead to additional strain on the nerves and muscles, potentially causing numbness.

3. Circulation Issues: Sometimes, numbness can also be related to circulation problems. If you have been sitting or standing in one position for too long, it can restrict blood flow to the feet, leading to a sensation of numbness.

4. Muscle Tension: Tight muscles in the lower back or legs can also contribute to nerve compression and numbness. Stress or overexertion can lead to muscle spasms, which may further irritate the nerves.

Self-Care and Management Strategies
1. Rest and Activity Modification: It’s crucial to listen to your body. If certain activities exacerbate your symptoms, consider modifying them. Avoid heavy lifting and repetitive movements that strain your back.

2. Stretching and Strengthening Exercises: Gentle stretching of the lower back and legs can help relieve tension. Strengthening exercises for the core and back can also provide better support for your spine. However, consult with a physical therapist for a tailored exercise program that suits your condition.

3. Heat and Cold Therapy: Applying heat to the lower back can help relax tight muscles, while cold packs can reduce inflammation. Alternating between the two may provide relief.

4. Posture Awareness: Maintaining good posture while sitting, standing, and walking can alleviate pressure on your spine and nerves. Ergonomic chairs and supportive footwear can help.

5. Over-the-Counter Pain Relief: Nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen can help manage pain and inflammation. However, consult your doctor before starting any medication.

6. Physical Therapy: If symptoms persist, consider seeing a physical therapist. They can provide specialized treatment, including manual therapy, modalities like ultrasound or electrical stimulation, and a structured exercise program.

7. Monitoring Symptoms: Keep track of your symptoms. If numbness worsens or if you experience weakness in your legs or difficulty walking, it’s essential to seek medical attention promptly.

When to Seek Medical Attention
If you experience severe pain, significant weakness, or loss of bladder or bowel control, these could be signs of a more serious condition requiring immediate medical evaluation. Additionally, if the numbness persists or worsens despite self-care measures, it would be prudent to consult with a healthcare professional, such as a neurologist or orthopedic specialist, for further assessment and potential imaging studies like an MRI.

In conclusion, while foot numbness can be concerning, understanding its connection to your herniated disc and implementing appropriate self-care strategies can help manage your symptoms effectively. Always consult with your healthcare provider for personalized advice and treatment options tailored to your specific condition.

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