Fever is a condition in which the body's temperature rises above the normal limit of an individual. This is a defense response that increases the immune response, increasing the immune response against invading agents such as bacteria and viruses.

Fever is a normal response of the body to fight off invaders such as bacteria and viruses. However, when a child has a high fever above 38.5 °C, parents will not be able to help but wonder and find the best way to reduce the fever. Besides physical measures such as wiping the body, applying warm compresses, loosening diapers and clothes, parents can use antipyretic drugs for children with many dosage forms, suitable for the child's condition.

There are many ways to measure a child's temperature. Of these, measuring the temperature in the armpit is the least accurate method, but it is convenient for children under 3 months old.

Fever is a normal biological response of the body to many factors, the most common of which is infection. Fever occurs when the body temperature increases as a result of the body's set point being adjusted higher than normal temperature.

A healthy body maintains its temperature within a narrow range using thermoregulatory mechanisms.

Parents often put their hand on the forehead of a child who seems sick, and if it feels warm, they use a thermometer to confirm whether the child has a fever or not. But then many people do not know what to do when a child has a fever. There are some simple rules to help children with fever feel comfortable and safe.