What’s wrong with a child who doesn’t have a fever but is dizzy and nauseous?

There are many reasons why a child may have dizziness and nausea without fever, depending on the cause and duration of the dizziness and nausea, as well as relevant tests. 1. . 3. If dizziness and nausea are related to changes in the position of the head, it is considered to be caused by benign paroxysmal positional vertigo.