There are two types of Merlin fever reducers, ibuprofen mixed drops and ibuprofen suspension. Ibuprofen suspension drops contain 40mg of ibuprofen per ml and are mainly used for children under 3 years of age with a dosage of 5-10mg/kg per dose, which can be taken once every 6-8 hours when needed and up to four times in 24 hours. You can also refer to the child’s age and weight. For children over half a year old and under one year old and weighing 5.5-8.0kg, one tube, or 1.25ml, is used each time; for children 1-2 years old and weighing 8.1-12kg, 1.5 tubes, or 1.875ml, is used each time; for children 2-3 years old and weighing 12.1-15.9kg, two tubes, or 2.5ml, are used each time. ibuprofen Ibuprofen is 20mg per ml of suspension and can be used for children under 12 years old: 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. You can take it every 4-6 hours when needed, and up to four times in 24 hours, and be careful to shake it evenly before eating.