Hand and Foot Numbness: Causes and Solutions

Numbness in the hands and feet, affecting daily life?

Hello Doctor,
I would like to ask you a question.
My father was diagnosed with colon cancer in February 2013 and underwent surgery followed by chemotherapy.
After the chemotherapy, he experienced peripheral neuropathy as a side effect.
The treating physician mentioned that over time, the numbness in his hands and feet would gradually improve.
However, more than a year has passed, and not only has there been no improvement, but the numbness has actually worsened, affecting his daily life.
We are wondering if there could be other underlying causes.
Although my father's blood sugar levels are somewhat elevated, they are currently under control (not at the level of diabetes).
He has also undergone nerve conduction studies in the neurology department, which indicated that the nerve conduction is normal.
Given this information, I would like to ask if it is still possible that he has conditions such as bone spurs or a herniated disc that could be causing nerve compression, leading to the increasing numbness in his hands and feet.
Thank you.
Sincerely,
Borgy

borgy, 30~39 year old female. Ask Date: 2015/04/16

Dr. Ding Xianwei reply Neurosurgery

It is recommended that you visit the outpatient clinic for a detailed examination and treatment.

Reply Date: 2015/04/16

More Info

Hello Borgy,
Thank you for reaching out with your question regarding your father's persistent hand and foot numbness. It’s understandable to be concerned, especially when the symptoms are affecting daily life. Let’s explore the potential causes and solutions for this condition.

Firstly, it’s important to recognize that numbness in the hands and feet, also known as peripheral neuropathy, can arise from various underlying issues. In your father's case, the numbness began after chemotherapy for colon cancer. Chemotherapy is known to cause peripheral neuropathy as a side effect, particularly with certain drugs that can damage nerve fibers. While it is common for these symptoms to improve over time, some patients experience prolonged or even worsening symptoms, as seems to be the case with your father.

Given that his numbness has not improved and may have worsened, it’s crucial to consider other potential causes. You mentioned that his blood sugar levels are elevated but not at the diabetic level. However, even prediabetes can contribute to nerve damage, so it’s essential to monitor and manage his blood sugar levels closely. Additionally, conditions such as vitamin deficiencies (especially B vitamins), thyroid disorders, and autoimmune diseases can also lead to peripheral neuropathy.

You also raised the possibility of structural issues such as bone spurs or herniated discs causing nerve compression. While the nerve conduction study indicated normal results, which typically suggests that the nerves themselves are functioning properly, it does not completely rule out the presence of structural problems. Conditions like cervical or lumbar radiculopathy, where nerve roots are compressed due to herniated discs or bone spurs, can lead to numbness and tingling sensations. An MRI or CT scan could be beneficial in assessing the spine for any such abnormalities.

In terms of management, since the numbness is impacting your father's quality of life, it may be worthwhile to consult with a neurologist or a pain specialist who can provide a comprehensive evaluation. They may recommend treatments such as physical therapy, medications for neuropathic pain (like gabapentin or pregabalin), or even alternative therapies such as acupuncture, which some patients find helpful for neuropathic symptoms.

Additionally, lifestyle modifications can play a significant role in managing symptoms. Encouraging your father to engage in regular, gentle exercise can improve circulation and potentially alleviate some numbness. Nutritional support is also vital; ensuring he has a balanced diet rich in vitamins and minerals can help support nerve health. If vitamin deficiencies are suspected, supplementation may be necessary.

Lastly, it’s essential to keep an open line of communication with his healthcare providers. Regular follow-ups can help monitor his condition and adjust treatment plans as necessary. If symptoms continue to worsen or new symptoms arise, further investigation will be warranted.

In summary, while chemotherapy may have initiated your father's numbness, other factors could be contributing to its persistence. A thorough evaluation by a specialist, along with lifestyle modifications, may provide relief and improve his quality of life. Thank you for your inquiry, and I wish you and your father the best in navigating this challenging situation.
Best regards.

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