The common causes of dizziness are as follows: 1. If you have a runny nose or a non-ventilated nose, it may be related to a cold, or if it is accompanied by a fever, it may lead to dizziness and weakness. 2. If you have vertigo, nausea, vomiting and falling after activity, it may be related to vertigo, or it may be related to otoliths or Meniere’s syndrome. If you have anemia, low blood sugar or low blood pressure, vertigo may be triggered; 4. If you feel uncomfortable in your neck, have stiff neck and shoulders, or have dizziness after prolonged head-down activities, it may be related to cervical spine disease, which causes insufficient blood supply to the basilar artery and dizziness due to insufficient blood supply to the brain. /5, cerebrovascular disease can also cause dizziness, you can go to the hospital to check and determine the cause before treatment.