Patients appear dizzy and vomiting symptoms in the afternoon, mainly due to elevated blood pressure, cerebral nerve dysfunction, cervical spondylosis, hypoglycemia and other causes, commonly as follows: 1. Stress, noon in the absence of lunch break excessive brain, brain fatigue, brain nerve dysfunction, will also appear the above discomfort symptoms; 3, cervical spondylosis: patients sitting or standing after working all morning, may lead to aggravation of cervical spondylosis, which causes cerebral blood supply deficiency, resulting in dizziness symptoms, if necessary, to the hospital orthopedics, neurology examination, clear cause after treatment; 4, hypoglycemia: if it is If you eat less at noon or do not eat, hypoglycemia may occur in the afternoon, which can also cause dizziness, which can be accompanied by palpitations, sweating and other symptoms.