Sudden severe dizziness can be first oral dizziness symptomatic treatment of drugs, timely to the hospital, improve the examination, clear the cause of the disease. Commonly used drugs to stop dizziness are betahistine, Difenidol, can also use diazepam. Dizziness with visual rotation is called vertigo, the common cause is vestibular peripheral vertigo, benign paroxysmal positional vertigo is the most common, also known as otolithiasis, this kind of vertigo and positional changes have a clear relationship between head CT or MRI to rule out organic diseases in the brain, according to the patient’s symptoms, signs and symptoms can be made a diagnosis. In addition to medication to stop the dizziness, you can also carry out manipulation of repositioning, to go to the Department of Pentacenter or Neurology to ask the doctor to carry out repositioning treatment. If the vertigo is caused by other reasons, such as central vertigo, it may be caused by cerebellar or brainstem infarction, and the diagnosis can be confirmed after perfecting the cranial CT or magnetic resonance examination, and it is necessary to be hospitalized for further treatment related to cerebral infarction.