Why Does My Left Hand Feel Numb?

There are various reasons for left hand numbness. Generally, it may be caused by normal physiological factors, or it could be due to pathological conditions such as cervical spondylosis and ischemic cerebrovascular diseases.

1. Physiological Causes: Incorrect sleeping positions where the arm is pressed for a long time can easily compress the upper limb nerves, leading to numbness. If there are no other abnormal symptoms, adjusting the sleeping position can alleviate this issue.

2. Pathological Causes:

1. Cervical Spondylosis: Left hand numbness may be caused by cervical spondylosis. Since the nerve roots of the upper limbs are located in the neck, compression of these nerves by cervical spondylosis may lead to symptoms such as left hand numbness and arm weakness.

2. Ischemic Cerebrovascular Diseases: If left hand numbness is accompanied by numbness, weakness, or limited mobility in one side of the body, along with frequent dizziness and headaches, it may be related to ischemic cerebrovascular diseases.

Left hand numbness can also be caused by other reasons. It is recommended that patients visit the hospital promptly and actively cooperate with relevant examinations and treatments under the guidance of a doctor to avoid delaying the condition.