Heavy head, dizziness, brain swelling, nausea: 1. Some patients are caused by sleep disorders, especially poor sleep quality for a long time, patients can appear dizziness, brain swelling, and in severe cases can be accompanied by nausea. Poor sleep should be given to the patient to regulate sleep, can be taken orally or sedative sleeping pills, etc. 2, heavy head, dizziness, brain swelling, nausea can also be seen in cervical spondylosis, especially after long hours of ambulatory work led to muscle spasm, contraction of the back of the neck, the patient can appear heavy head, dizziness, brain swelling, nausea, can also be accompanied by pain in the back of the occipital area. 3, heavy head, dizziness, brain swelling, nausea also The symptoms of nausea and dizziness can be seen in occupational diseases of the posterior cranial fossa, especially after the cerebellum is compressed, and can also be accompanied by walking obliquity, which can be diagnosed after CT examination of the head.