The symptoms of dizziness caused by trauma have three main causes: 1, trauma can cause the human body to be frightened, highly nervous, sympathetic excitement, increased secretion of adrenaline, etc., resulting in increased blood pressure, causing cerebral artery supply deficiency dizziness, a kind of traumatic dizziness. 2, concussion, can cause dizziness, headache, transient loss of consciousness, nausea, vomiting and other symptoms, cranial CT is not a big problem, symptomatic treatment, 3, trauma can cause brain hemorrhage, skull fracture and other diseases, which can cause symptoms such as dizziness, headache, nausea, vomiting, etc. Seriously, it can cause symptoms such as impaired limb movement and coma. Dizziness symptoms after trauma should not be taken lightly. It is best to check the cranial CT at the hospital to rule out intracranial lesions such as cerebral hemorrhage and skull fracture first so as not to delay the condition.