The generic name of Merrill is Ibuprofen Suspension, which can be repeated if fever reappears after drinking it once to reduce fever, but should not be used more than four times in 24 hours. Ibuprofen Suspension is a non-steroidal antipyretic, analgesic and anti-inflammatory drug, which is recommended to be applied when the body temperature is higher than 38.5 ℃, and when the fever but the body temperature is lower than 38.5 ℃, you can drink plenty of fluids or use the method of warm water bath to reduce fever. Ibuprofen suspension is generally effective within 0.5~1h after taking, if the body temperature rises again and is greater than 38.5 ℃ can be taken again, but should not exceed the recommended dose, the maximum use of 4 times in 24h, so as not to cause serious gastrointestinal tract damage. If the temperature rises repeatedly after repeated use of ibuprofen suspension, it suggests that the infection is not controlled, and anti-infective drugs should be used to eliminate the cause of the disease at the same time as reducing fever. If the body temperature rises repeatedly, you need to consult a doctor in a timely manner under the guidance of standardized diagnosis and treatment, do not self-medication, so as not to delay the condition.