How does 3-year-old child have a fever to cause convulsion to roll white eyes symptom to do

Suggestion: Children with this symptom need to cool down first. Family members can use ibuprofen, acetaminophen and other drugs to cool down. Family members can use warm water to wipe the baby's body, use antipyretic paste, ice method for physical cooling. Family members also need to take the baby to the hospital for examination. If the infection symptoms are serious, they can be treated by infusion.