The phenomenon of nausea and dry heaving when the baby has a fever is still relatively common. First of all, it is possible that the child’s fever is caused by pharyngitis, when the throat will have congestion and edema, there will be a certain sense of irritation, so there will be nausea and dry heaving phenomenon, anti-inflammatory treatment of the throat is better. But first go to the hospital to let the doctor check to confirm whether it is caused by laryngitis. If it is indeed caused by pharyngitis, you need to use Pu Di Lan anti-inflammatory oral solution for treatment. Secondly, fever, nausea and dry heaving are likely to be caused by the weakening of the digestive function of the gastrointestinal tract and indigestion, so nausea and dry heaving will occur. If viral encephalitis occurs, it can also cause fever and nausea, dry vomiting, check the child’s electroencephalogram, observe whether there is any abnormality of brain function, often can rule out the case of viral encephalitis. So don’t be careless and take your child for a thorough examination.