What causes numbness in the fingers of the right hand?

Jul 12, 2024 Source: Cainiu Health
Disease description:

My fingers suddenly became numb, which feels quite strange. I'd like to ask the doctor, what are the possible causes of numbness in the fingers of the right hand?

Doctor's answer (1)
Dr. Xu Shuai
Numbness in the fingers of the right hand may be caused by several factors, including: 1. Nerve compression: The most common cause is cervical spondylosis, especially when a herniated cervical disc or bone spur compresses the brachial plexus nerve, resulting in finger numbness, often accompanied by neck pain or shoulder discomfort. 2. Poor posture: Prolonged use of computers or mobile phones, as well as improper hand positioning during sleep, may also compress the nerves in the hand, causing temporary numbness. 3. Peripheral neuropathy: Conditions such as diabetes, alcohol intoxication, or malnutrition can damage peripheral nerves, leading to numbness. 4. Transient circulatory disturbances: For example, excessive pressure on the arm or wrist, such as during "sleeping on the arm," typically causes temporary numbness. If finger numbness persists, recurs frequently, or is accompanied by other symptoms (such as pain, weakness, or muscle atrophy), prompt medical attention is advised.