Cerebral infarction nausea may be caused by the cerebral infarction itself. For patients with large hemispheric infarcts and brainstem infarcts, cerebral edema and increased intracranial pressure can usually be present. When there is increased intracranial pressure, patients can present with headache, nausea, vomiting, and in severe cases, brain herniation can be caused, leading to the death of the patient. It can also be caused by a type of stress ulcer complicating the cerebral infarction. If the patient has a stress ulcer, he or she can present with nausea, stomach pain and other discomforts, and in the case of a severe upper gastrointestinal stress ulcer, it can cause upper gastrointestinal bleeding. If there is upper gastrointestinal bleeding, patients can experience nausea and vomiting, as well as vomiting blood and blood in the stool. It can also be caused by electrolyte disorders during the treatment of cerebral infarction, which is mainly seen in hyponatremia, and can be aggravated by severe hyponatremia, which can aggravate the patient’s impaired consciousness, while the patient can also experience nausea. Vomiting. If there is hyponatremia, active treatment should be given, mainly concentrated saline intravenous drip should be given.