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High temperature (fever) in children
A high temperature (fever) is very common in young children. The temperature usually returns to normal within 1 to 4 days. A high temperature, or fever, in children is when their body temperature rises above the normal range. Typically, a fever in children is considered to be a temperature of 38°C (100.4°F) or higher. Fever is a common symptom indicating that the body is fighting an infection or illness. While often not dangerous, it can be a cause for concern and discomfort in children.