It is as if there are many ants crawling around. Most of such itchy skin is a sensory abnormality, a superficial sensory disorder. It can be caused by a variety of diseases, for example, patients with peripheral neuritis may develop it, mainly manifesting as abnormal sensation at the ends of the limbs, which can manifest as glove or garter-like sensory disorder. It may also be caused by lesions of the spinal cord, and patients generally show mostly sensory deficits below the lesioned segment, and may also have some deep sensory deficits, which can be manifested as positional or tactile hypoesthesia. If the patient has cerebrovascular disease, such as cerebral infarction can also appear, mainly manifested as unilateral limb sensory disorders, can appear numbness and pain, may also appear the above symptoms. When caused by different diseases, the corresponding etiological treatment should be carried out, and at the same time, nutritional nerve treatment can be carried out, and commonly used drugs include vitamin B12, methylcobalamin, vitamin B1, etc.
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