Dizziness, nausea and vomiting can be caused by many factors.

There are many reasons for dizziness, nausea and vomiting. When respiratory tract infection is serious, dizziness, nausea and vomiting can be caused. Brain stem, cerebellar infarction or hemorrhage, cerebral infarction, intracranial tumor, intracranial infection, sudden increase in blood pressure, Meniere's disease, otolithiasis and autonomic nerve disorder can also cause dizziness, nausea and vomiting.