Numbness in Hands and Feet: Causes and Relief Tips

Numbness in the hands and feet?

Hello, doctor.
I am a university student and have been sitting for long periods of time.
For two weeks in early January, I was almost sitting all day to finish my final assignments.
Recently, I have been on winter break and am not sitting as much, but a few days ago, I started experiencing intermittent numbness in the soles of both feet.
Sometimes there is also a slight tingling sensation, and my heels feel a bit tight, but it does not affect my mobility.
As of today, the numbness has become more pronounced in my right foot and right palm, and the tingling sensation has decreased.
I would like to know what might be causing this.
How long should I observe these symptoms, and what can I do to alleviate them? Thank you.

j, 20~29 year old female. Ask Date: 2021/01/24

Dr. Zhang Junwei reply Neurosurgery

Numbness in the right foot and right palm is unusual; it is recommended to visit a neurology clinic for evaluation.

Reply Date: 2021/01/24

More Info

Numbness and tingling sensations in the hands and feet can be concerning, especially for a college student who has been sitting for extended periods. The symptoms you describe—intermittent numbness in the soles of your feet, tightness in the heels, and now extending to your right hand—could be attributed to several factors, primarily related to posture, nerve compression, or circulation issues.

Possible Causes
1. Nerve Compression: Prolonged sitting can lead to compression of nerves, particularly in the lower back (sciatic nerve) or in the arms (carpal tunnel syndrome). When you sit for long periods, especially in poor posture, it can put pressure on nerves, leading to numbness or tingling sensations.

2. Poor Circulation: Sitting for extended periods can also impede blood flow to the extremities. This can cause a sensation of numbness or tingling, as the nerves may not be receiving adequate blood supply.

3. Postural Issues: If you are slouching or not maintaining a neutral spine while sitting, this can lead to muscle tension and nerve compression, contributing to your symptoms.

4. Vitamin Deficiencies: Deficiencies in certain vitamins, particularly B vitamins, can lead to neurological symptoms, including numbness and tingling.

5. Other Medical Conditions: Conditions such as diabetes, multiple sclerosis, or peripheral neuropathy can also cause similar symptoms. However, given your age and the context of your symptoms, these are less likely but should not be entirely ruled out.

Recommendations for Relief
1. Change Your Position Regularly: Make a conscious effort to change your sitting position frequently. Stand up, stretch, or walk around every 30 to 60 minutes. This can help relieve pressure on nerves and improve circulation.

2. Stretching and Strengthening Exercises: Incorporate stretching exercises for your back, legs, and arms into your daily routine. Strengthening your core muscles can also help maintain better posture while sitting.

3. Ergonomic Setup: Ensure that your study area is ergonomically friendly. Your chair should support your lower back, and your feet should rest flat on the floor. Your computer screen should be at eye level to prevent neck strain.

4. Hydration and Nutrition: Stay hydrated and maintain a balanced diet rich in vitamins and minerals. If you suspect a vitamin deficiency, consider consulting a healthcare provider for appropriate testing and supplementation.

5. Monitor Symptoms: Keep track of your symptoms. If the numbness persists, worsens, or is accompanied by other symptoms such as weakness, loss of coordination, or changes in bowel or bladder function, it is essential to seek medical attention promptly.

6. Physical Therapy: If symptoms continue, consider consulting a physical therapist. They can provide tailored exercises and strategies to alleviate nerve compression and improve your overall posture.

When to Seek Medical Attention
If your symptoms do not improve with self-care measures, or if you experience significant changes such as weakness in your limbs, difficulty walking, or loss of bladder or bowel control, it is crucial to consult a healthcare professional. They may recommend further evaluation, including imaging studies or nerve conduction tests, to determine the underlying cause of your symptoms.

In summary, while your symptoms may be related to prolonged sitting and poor posture, it is essential to monitor them closely and take proactive steps to alleviate discomfort. Regular movement, proper ergonomics, and attention to your body's signals will be key in managing and potentially resolving your symptoms.

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