We often hear that someone because of hand numbness, to the hospital to see a doctor diagnosed as cervical spondylosis, so once the hand numbness, associated with whether or not suffering from cervical spondylosis. In fact, not, there are many reasons for hand numbness, definitely not only cervical spondylosis only have this symptom, now to introduce you to the common hand numbness of the disease, I hope that once the phenomenon of hand numbness is found, it is recommended to pay sufficient attention, it is best to go to the hospital to see a specialist to analyze the specific causes of the onset, clear diagnosis, in order to get timely and accurate treatment. 1, hypertension: blood pressure increases after vasoconstriction, small blood vessel spasms throughout the body, narrowing the lumen, resulting in reduced blood supply to the distal muscles of the limbs, peripheral circulation disorders, can make the limbs numb, especially the fingers and toes more sensitive, can be relieved after a brief attack. 2, cervical spondylosis: middle-aged and elderly people due to cervical degeneration, osteophytes and other reasons, the proliferated bone will compress the adjacent cervical medullary nerve roots, resulting in numbness of the innervated fingers, or involving the forearm or shoulder, numbness will be aggravated or alleviated by the activities of the neck. When the film is taken, obvious osteophytes or loss of physiological curvature are visible. 3. Diabetic peripheral neuritis: diabetic neuropathy is most common with peripheral neuritis, which is usually symmetrical and more severe in the lower extremities than in the upper extremities. The preliminary manifestation of this disease is abnormal sensation in the extremity, such as numbness, pins and needles, burning sensation, or the feeling of stepping on cotton pads, and sometimes the abnormal sensory parts are distributed in a glove or sock-like manner. 4, transient cerebral ischemia: hypertension can cause vasospasm, high blood pressure can cause increased blood viscosity, coupled with the relatively slow blood flow at night, these factors can lead to transient cerebral ischemia and cause numbness of the fingers. 5. Stroke prognosis: In patients with hypertension, hyperlipidemia and diabetes, unilateral hand numbness may be a sign of stroke. Stroke usually has numbness in one limb, followed by changes in muscle strength and tone of the limb, i.e., hemiparesis. 6. Intraspinal occupying lesions: Some extramedullary tumors in the cervical canal may cause numbness and weakness of the fingers and palms on one side in the early stage. If the tumor of thoracolumbar section, it may cause numbness of toe and dorsum of foot on one side, and the foot is like stepping on cotton, and it may extend upward, and there is also hyperalgesia. MRI can make a clear diagnosis. 7, vitamin B1 deficiency: elderly people who consume fine rice and noodles for a long time can cause vitamin B1 deficiency, leading to peripheral neuritis, which can lead to numbness in the fingers. 8, drug side effects: certain drugs can also cause numbness, such as after taking Huangliansu or dysentery, it will cause numbness in the hands and feet; overdose of gentamicin, it will produce the side effect of numbness in the mouth, lips and limbs. 9, chronic alcoholism: for some frequent alcoholics, if there is numbness in the palms of the hands, it indicates chronic alcoholism. 10, menopause syndrome: women entering menopause due to the decline of ovarian function and the decline of estrogen levels in the body, there will be autonomic dysfunction symptoms cause hand numbness, but not very obvious, with the end of menopause, the phenomenon of hand numbness will then disappear. In addition, carpal tunnel syndrome can also cause numbness in the fingers due to compression of the median nerve. Office workers who use computers and mice for a long time without proper protection may need to think about it if they feel numbness in their wrists when repeatedly operating a computer.