What causes numbness in the left arm and hand at night, and what should be done about it?
May 12, 2023
Source: Cainiu Health
Dr. Yang Jun
Introduction
Numbness in the left arm and hand at night may be caused by normal physiological reasons, or pathological conditions such as cervical spondylosis or cerebrovascular disease. Treatment should be determined based on the specific underlying cause. In addition to these common causes, other possibilities include peripheral neuritis and carpal tunnel syndrome. It is recommended to seek timely medical attention if any discomfort symptoms occur.
Numbness in the left arm and hand at night may result from normal physiological causes, or could be due to pathological conditions such as cervical spondylosis or cerebrovascular disease. Treatment should be based on the specific underlying cause. The details are as follows:
I. Physiological Causes
Numbness in the left arm may occur when an improper sleeping position compresses the left hand, disrupting normal blood circulation. This can be relieved with appropriate warm compresses.
II. Pathological Causes
1. Cervical Spondylosis
This is mainly caused by protrusion of the cervical intervertebral disc, which compresses nerve roots, leading to numbness in the left arm and hand. It is often accompanied by neck pain and arm weakness. Medications such as Jingfukang Granules, Wantong Jingu Tablets, or Gujin Pills may be taken as directed by a physician.
2. Cerebrovascular Disease
During episodes of cerebral hemorrhage or cerebral infarction, if the thalamus is damaged, sensory disturbances in the left arm and hand may occur, causing numbness and discomfort. Medications such as Idebenone Tablets or Indobufen Tablets may be taken under medical guidance.
In addition to the above common causes, other conditions such as peripheral neuritis or carpal tunnel syndrome may also be responsible. If any discomfort occurs, it is recommended to seek timely medical evaluation and treatment.
