Dizziness is particularly strong and want to vomit, but CT examination is normal, may be related to cervical spine disease, otolithiasis, motion sickness and hypertension.
1. Cervical spine disease: When the vertebral artery is squeezed due to the degenerative disease of the cervical spine and the instability of the vertebral body, sudden dizziness and headache may occur after the cervical spine activity, but there is no abnormality in the CT examination of the skull.
2. Otolithiasis: It is also called benign positional paroxysmal vertigo, which is mainly manifested in the clinic as vertigo when the position of the head is suddenly changed, and is accompanied by obvious symptoms of nausea and vomiting. There is no abnormality in CT examination of the head.
3. Motion sickness: when the vestibular and visual functions are abnormal in the process of traveling by car or boat, vertigo may be induced, accompanied by obvious vomiting phenomenon, and CT examination usually does not show positive pathological changes.
4. Hypertension: For various reasons, arterial vascular elasticity decreases and causes blood pressure to rise, in the clinic will also be manifested as headache, dizziness, nausea and other symptoms, at the same time, CT examination generally does not have any abnormal manifestations.
There are many reasons for dizziness and nausea, and it is recommended to seek timely medical treatment for the cause of the condition.