Numbness in Both Feet: Causes and Solutions

Numbness in both feet?

Hello Doctor: Over the past year, I have had issues with prolonged sitting, and I have a habit of crossing my left leg while sitting, which causes my left leg to become numb after sitting for a long time.
However, it usually improves after I lower my leg for a while.
But a couple of days ago, shortly after sitting down, my left leg started to feel numb, and even when I stand up, it remains numb and does not improve.
Today, both legs are numb, but I am still able to walk.

1.
What could this problem be? Is it caused by prolonged sitting?
2.
Is there a way to improve this through stretching, massage, or other methods?
3.
If it does not improve after how long should I see a doctor? Which specialty should I consult?

Nina, 20~29 year old female. Ask Date: 2023/10/01

Dr. Wu Mukhan reply Neurology

Your symptoms may be caused by nerve compression.
Prolonged sitting can lead to muscle tightness or spinal degeneration, both of which can contribute to such symptoms.
It is recommended to have support for your lower back and spine while sitting, and to get up and walk around at least once every hour.
You may also try massaging or applying heat to the affected areas.
If your symptoms do not improve, you should consider visiting a neurology department for further evaluation.

Reply Date: 2023/10/01

More Info

Numbness in both feet can be a concerning symptom, especially when it occurs frequently or persists over time. Based on your description, it seems that your symptoms may be related to prolonged sitting and possibly poor posture, particularly with your habit of crossing your legs. Here’s a breakdown of your questions and some additional insights into the potential causes and solutions.

1. What could be causing the numbness?
The numbness you are experiencing in both feet could be attributed to several factors. Prolonged sitting can compress nerves and blood vessels, particularly in the legs. When you sit with your left foot crossed, it may lead to compression of the peroneal nerve, which runs along the outside of the knee and can cause numbness or tingling in the foot. Additionally, if you have been sitting for extended periods, it can lead to reduced blood flow to the lower extremities, resulting in a sensation of numbness. Other potential causes could include conditions such as peripheral neuropathy, which can be related to diabetes, vitamin deficiencies, or other underlying health issues.

2. Can stretching, massage, or other methods help?
Yes, stretching and massage can be beneficial in alleviating numbness caused by nerve compression or poor circulation. Regularly stretching your legs and feet can help improve blood flow and relieve tension in the muscles surrounding the nerves. Simple exercises like ankle circles, calf stretches, and toe flexes can be effective. Additionally, taking breaks to stand up and walk around every 30 to 60 minutes can help prevent numbness from prolonged sitting. If you find that massage helps relieve the numbness, consider incorporating it into your routine, focusing on the calves, thighs, and feet.

3. When should you see a doctor, and what type of specialist?
If your symptoms persist for more than a few days, worsen, or are accompanied by other concerning symptoms such as weakness, severe pain, or changes in bowel or bladder function, it is essential to seek medical attention. A healthcare provider can perform a thorough evaluation to determine the underlying cause of your symptoms. You may want to start with a visit to a primary care physician, who can assess your condition and refer you to a specialist if necessary. Depending on the findings, you might be referred to a neurologist for nerve-related issues or an orthopedic specialist for musculoskeletal concerns.

In summary, while your symptoms may be related to your sitting habits and posture, it’s crucial to monitor them closely. Implementing regular breaks, stretching, and possibly seeking professional advice if the numbness persists can help you manage and potentially resolve the issue. Remember, early intervention can often lead to better outcomes, so don’t hesitate to seek help if needed.

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