Dizziness from drinking coffee on an empty stomach is related to the excitatory effect of caffeine on the cerebral cortex. In addition, drinking coffee on an empty stomach is easy to promote digestion, accelerate gastrointestinal peristalsis, leading to a reduction in blood sugar in the body, causing hypoglycemia, which can also lead to dizziness. When drinking coffee on an empty stomach after dizziness, first of all, you should stop continuing to drink coffee, you can first bed rest, and drink more water, if necessary, you can drink fruit juice or sugar water to promote caffeine from the body quickly discharged, can be effective in reducing the reaction of dizziness. In addition, dizziness symptoms are more intense people are recommended to drink green bean soup, can play a role in waking up the brain and enlightenment. Some people drink coffee on an empty stomach after dizziness accompanied by increased blood pressure, this time should be routine blood pressure monitoring, if necessary, go to the regular hospital. If the dizziness is obvious, and the symptoms are not relieved after resting, and accompanied by limb weakness, dysphagia and other symptoms, there may be a combination of acute cerebrovascular disease, it is recommended to go to the hospital Neurology Department in a timely manner, if necessary, feasible cranial CT or cranial magnetic resonance examination. It is recommended that you do not drink coffee on an empty stomach, you can eat some snacks before drinking coffee, or add a little sugar in the coffee, which can effectively avoid the occurrence of hypoglycemia.