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The normal temperature inside your childâs body is usually around 37 degrees Celsius. Your child has a mild fever if their temperature is higher than 38 degrees Celsius. A high fever usually means more than 39 degrees Celsius.
A fever is a high temperature when the body's temperature rises above 37.5C (99.5F). The normal body temperature is between 36C-37C (96.8F-98.6F). The high temperature or fever often lasts around two to three days. Check for high temperature or fever using an appropriate thermometer and following the instructions.