What medical conditions can cause numbness in the fingers?
Disease description:
My job requires frequent phone calls, and after a week of this, I started experiencing numbness in my fingers. What condition could this symptom indicate?
Doctor's answer (1)
Dr. Lv Zhiqin
Hand numbness is a common symptom that can be caused by various factors:
1. Nerve compression: For example, carpal tunnel syndrome occurs when the nerve in the wrist is compressed, leading to numbness in the hand, especially in the thumb, index finger, and middle finger.
2. Cervical spondylosis: Particularly in middle-aged and elderly patients, degenerative changes in the cervical intervertebral discs or cervical bone spurs may compress the spinal nerve roots, causing symptoms such as numbness and swelling in the fingers.
3. Diabetes: High blood sugar levels can damage the peripheral nervous system, resulting in numbness and tingling in the extremities of the hands and feet, known as diabetic neuropathy.
4. Poor circulation: Conditions such as Raynaud's disease can cause fingers to become numb and pale when exposed to cold temperatures or during emotional stress.
5. Pressure or overuse: Maintaining the same posture for extended periods or repetitive movements, such as typing or playing the piano, may lead to muscle fatigue and nerve compression, causing temporary finger numbness.
6. "Cell phone elbow": Prolonged use of mobile phones or handsets with the elbow bent beyond 90 degrees may cause nerve compression, leading to numbness in the fingers.
