When ibuprofen is given for fever to children 6 months of age up to 2 years, the usual dose is 5 milligrams (mg) per kilogram (kg) of body weight when the fever is under 102.5 degrees fahrenheit. how much medicine would be usual dose for a 18 month old weighing 18 pounds?
1 pound = 0.45 kg Therefore 18 pounds = 18 x 0.45 = 8.1 Kg But, the dosage is 5 mg per kilogram of the body. Thus, 5 mg for each of the kg will be 5 x 8.1 = 40.5 mg Therefore, 40.5 mg Ibuprofen for 18 pounds body weight
