Dizziness but not body fever proves that dizziness is not caused by cold, infection, etc. If dizziness is caused by cold, infection or due to gastrointestinal infection, fever will appear. There are many causes of dizziness. In addition to the above-mentioned causes, there are several causes of dizziness: 1, caused by cerebral neurasthenia, after the occurrence of cerebral neurasthenia due to brain nerve damage and headache, dizziness and other uncomfortable symptoms. 2, due to exertion, often due to excessive exertion, mental stress will appear dizziness, weakness and a series of symptoms. 3, may also be due to anemia It is also possible that vertigo is caused by a lack of blood supply to the brain or by diseases of the ear nerve, so the cause should be identified and treated accordingly.