Calculating Dosage of Ibuprofen In Children

Summary: While the label on the back of the Ibuprofen bottle does not have a dosage chart for 12 year olds and under, it is safe for them to take Ibuprofen. To calculate the proper dosage of Ibuprofen you must have the child’s weight and plug it into the following chart.

Dear Curtis: My 7 year old son has been getting headaches every now and then. I’m chalking it up to just growing. The question is, what can I give him? I was thinking Ibuprofen but I don’t know if that’s safe and the label doesn’t really help me in that regard.

You’ll find that across the board with the labeling. And that’s because children (pediatric) dosing is based on weight. Which means you need a chart. Which means you don’t have a lot of room on the label.

But, the short answer is yes. You can give your son Ibuprofen for his headache unless he has an allergy to Ibuprofen. You could also give him Tylenol (acetaminophen) if need be.

As far as the dose goes you can use the following chart as a reference. Also note that weight is more important than age. For example; if your child is 7 years old but underweight for his age – say 46 pounds – then use the 46 pound dosage range not the seven year old range.

Children’s Ibuprofen Dosing Chart

Weight Age 50 mg Chewable Tablet 100 mg Chewable Tablet Oral Suspension Oral Drops
12 to 17 lb 6 to 11 months ___ ___ ___ 1.25 mL (50mg)
18 to 23 lb 12 to 23 months ___ ___ ___ 1.875 mL (75mg)
24 to 35 lb 2 to 3 yrs ___ ___ 5 mL (100mg)
36 to 47 lb 4 to 5 yrs 3 tablets (150mg) ___ 7.5 mL (150mg)
48 to 59 lb 6 to 8 yrs 4 tablets (200mg) 2 tablets (200mg) 10 mL (200mg)
60 to 71 lb 9 to 10 yrs 5 tablets (250mg) 2.5 tablets (250mg) 12.5 mL (250mg)
72 to 95 lb 11 yrs 6 tablets (300mg) 3 tablets (300mg) 15 mL (300mg)

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