The therapeutic effect of ibuprofen suspension can be seen 0.5-1 hour after taking the medicine, and the action can be maintained for 4-6 hours. Ibuprofen suspension is mainly used for fever caused by common cold or influenza in children, but also for pain in various areas of children, such as toothache, neuralgia and other mild to moderate pain. Therefore, the interval between dosing is 4-6 hours. And it is important to pay attention to the frequency of medication, which should not exceed 4 times in 24 hours. In addition, this drug is an allopathic drug and should not be taken in large doses for a long time, for no more than 5 days for pain relief and no more than 3 days for fever relief. If the symptoms are still not relieved, go to the hospital for another visit. When a child has a fever, parents should pay attention to monitor his or her body temperature. If the temperature is above 38.5°C, parents can give appropriate antipyretic drugs. Parents need to be careful not to overdo the medication for their child to avoid overdose. Pay attention to the changes in the child’s condition and visit the hospital if necessary.