Numbness of one side of the arm may be physiological factors, but also may be the manifestation of certain diseases, such as cervical spondylosis, cerebral atherosclerosis and other factors caused by the timely visit to the hospital, to clarify the specific causes.
1. Physiological factors: it may be related to sleeping on the side for a long time, which may lead to one side of the limb for a long time under pressure, causing poor local blood circulation, and then cause one side of the limb numbness.
2. Pathologic factors:
(1) Cervical spondylosis: due to long-term incorrect sleeping posture, long time working and studying with head down, overloaded neck movement in daily life, all of them will cause chronic injury to the cervical spine, which will make the intervertebral disc protruding and ligament thickening, leading to the cervical spinal cord and nerve root pressure, compression of nerves, and symptoms such as radiating pain or numbness of the upper limbs.
(2) cerebral atherosclerosis: irregular daily life, obesity and other reasons will induce or aggravate cerebral atherosclerosis, can lead to cerebral arterial blood supply is less than the normal demand for headache, dizziness, unilateral limb numbness, weakness, or inability to control the limb of the spasm, so one side of the arm numbness may be caused by insufficient cerebral blood supply.
One side of the arm numbness may have other causes, it is recommended that patients seek medical treatment as soon as possible, under the guidance of a professional physician, combined with the patient’s condition, signs and auxiliary examination to clarify the cause of the disease and give targeted treatment.