What causes numbness in the fingertips?
Disease description:
Recently, the tips of my fingers have been going numb frequently. At first, it only happened occasionally, but now it's becoming more and more frequent. Sometimes I also feel that my fingers are somewhat stiff. What could be causing this?
Doctor's answer (1)
Dr. Lv Zhiqin
Fingertip numbness is a common symptom that can be caused by various factors.
1. Nerve compression: Chronic conditions such as carpal tunnel syndrome are common among people who use computers or mobile phones for prolonged periods.
2. Cervical spine issues: Cervical spondylosis, especially cervical disc herniation or bone spurs, may also compress nerve roots, leading to fingertip numbness. This condition is often accompanied by neck discomfort or pain.
3. Vascular factors: Narrowing or blockage of the arm's blood vessels can also cause ischemia and numbness in the fingertips.
4. Circulatory disorders: Poor local blood circulation, such as Raynaud's phenomenon, or systemic diseases like diabetes-induced peripheral vascular disease can lead to fingertip numbness.
5. Nutritional deficiencies: Deficiencies in nutrients such as vitamin B12 or folic acid can also affect nervous system function and cause numbness in the fingers.
When experiencing fingertip numbness, patients are advised to seek medical attention immediately. Additionally, improving lifestyle habits, avoiding prolonged fixed postures at work, engaging in moderate exercise, and ensuring adequate sleep can help prevent and alleviate finger numbness.
