Fever is not a disease but only a symptom of many causes, most of which are infections (bacteria, viruses, parasites). Sometimes fever is caused by malignancy, systemic disease, or fever caused by drugs, after vaccination, teething, or of unknown cause.

Fever is a manifestation of the immune system's response to infectious agents such as bacteria or viruses. Using antipyretics for children promptly helps avoid dangerous complications such as convulsions, delirium,...

Most fevers are caused by viral infections, so your child will recover and return to normal after a few days. However, parents should take their child with a fever to the doctor within 24 hours if they have the following symptoms: