Ibuprofen suspension is a very commonly used antipyretic and analgesic medicine with good effect and little side effects. 20mg of ibuprofen per ml is mainly used for children under 12 years old, each dosage should be combined with the child’s age and kilogram weight: 4ml for children 1-3 years old and weighing 10-15kg; 5ml for children 4-6 years old and weighing 16-21kg; 8ml for children 7-9 years old and weighing 22-27kg; 10ml for children 10-12 years old and weighing 28-32kg. Adults can also apply it at 15-20 ml each time. if the child has persistent fever and pain, another dose can be given at intervals of 4-6 hours, up to four times in 24 hours. Ibuprofen suspension is an allopathic medicine that can be used for up to 3 days in a row for fever reduction and up to 5 days in a row for pain relief.