Half-body numbness should be alert to cerebrovascular lesions, intracranial space-occupying lesions and other diseases, which may also be caused by physiological factors.
1. Cerebrovascular lesions: for example, transient ischemic attack, cerebral infarction, cerebral hemorrhage, etc., may lead to cerebral ischemia and hypoxia, neurological damage can appear hemianesthesia, mainly manifested as the left side or the right side of hemianesthesia, accompanied by headache, dizziness, nausea, vomiting and other symptoms.
2. Intracranial space-occupying lesions: such as intracranial tumors and other diseases, which can lead to pressure on brain tissue and nerves, and the symptoms of numbness and paralysis on one side of the body can appear.
3. Physiological factors: such as lying on the side when sleeping, long time pressure on one side of the limb, may also appear one side of the limb numbness symptoms.
After excluding physiological factors, it is recommended to consult a doctor for examination and treatment as soon as possible to avoid aggravation of the condition.