The most common causes of numbness in a man’s left arm are prolonged compression, carpal tunnel syndrome, cervical spondylosis, brachial plexus nerve injury, elbow tube syndrome, etc. If the symptoms persist, it is recommended to seek medical treatment in time.
1. Prolonged compression: if the patient sleeps in an inappropriate position, the left arm is compressed for a long time, and the nerve is compressed, it is easy to produce numbness.
2. Carpal Tunnel Syndrome: usually due to long-term chronic strain, causing the left hand median nerve compression, and then appear left hand numbness.
3. Cervical spondylosis: cervical intervertebral discs undergo degenerative changes with age, and the protruding intervertebral disc compresses the left nerve root, which may also cause numbness in the left upper limb and hand.
4. Brachial plexus nerve injury: If the left brachial plexus nerve is injured, numbness may occur in the left upper limb and hand.
5. Elbow canal syndrome: the left ulnar nerve passes through the elbow canal, and if the ulnar nerve is rubbed, pulled, or pinched at the left elbow canal, it may cause numbness in the left hand.
Causes of numbness in the left hand of men are more causes, such as diabetic patients with poor glycemic control or cerebral infarction and other factors, if there is no relief after resting, it is recommended to go to the hospital in a timely manner to find out the cause of the disease, by the doctor targeted treatment.