Question
A 7-year-old and 3-month-old child had a fever of 40 degrees Celsius, and after taking antipyretic medication, the fever subsided. However, the fever returned to 40 degrees Celsius again 5 to 6 hours later. The child has lymphadenitis, and the routine blood test shows an increase in white blood cells. The tongue coating is dark and slippery, the throat is purulent, the nose is blocked and not breathable, and the stool is loose with diarrhea.