There are many reasons for discomfort, dizziness, and vomiting: first, for example, patients may experience dizziness, vomiting, and epigastric fullness and discomfort when they experience motion sickness during a car ride; second, high or low blood pressure may cause discomfort, dizziness, and vomiting; third, some elderly people have cerebral arteriosclerosis or spasm in the cerebral blood vessels, causing insufficient blood supply to the brain Thirdly, some elderly people with cerebral arteriosclerosis or cerebral vascular spasm, causing insufficient blood supply to the brain, may also show symptoms of discomfort, dizziness and vomiting. If a patient suffers from acute cerebral infarction or cerebral hemorrhage, the degree of dizziness will be very severe, accompanied by ataxia and unsteadiness in walking; fourthly, if a patient suffers from dizziness and vomiting, accompanied by tinnitus and dullness in the ears, it is also considered to be caused by Ménière’s disease, which also causes fluctuating hearing loss after repeated attacks.