Dosage Charts


The most commonly used medication for controlling fever is acetaminophen (e.g. Tylenol). When it is deemed appropriate to lower fever, the maximum dose of acetaminophen is 15 mg for every 2.2 pounds. Another easy rule of thumb is 80 mg per 12 pounds of body weight. It is better to slightly under-dose than overdose. The strength of each of the preparations is written on the boxes or bottles. Acetaminophen infant drops have 160 mg per 5 mL (the more concentrated infant drops of 80 mg per 0.8 mL have been discontinued). The children’s elixir has 160 mg in each teaspoon (or 5 mL) and the chewable tablets have 80 or 160 mg per tablet. If your child can’t or won’t take/keep down medicine by mouth, acetaminophen rectal suppositories are available (e.g. Feverall); the dosage is the same as the oral formulations.


Acetaminophen (Tylenol) Dosage Chart

*Give every 4 hours as needed but never more than 5 doses in 24 hours.

Age Weight Dose (160 mg/5ml) Chewable Tablets
0 to 3 months 6 to 11 lbs 1.25 ml N/A
4 to 11 months 12 to 17 lbs 2.5 ml N/A
12 to 23 months 18 to 23 lbs 3.75 ml N/A
2 to 3 years 24 to 35 lbs 5 ml 1 tablet
4 to 5 years 36 to 47 lbs 7.5 ml 1.5 tablets
6 to 8 years 48 to 59 lbs 10 ml 2 tablets
9 to 10 years 60 to 71 lbs 12.5 ml 2.5 tablets
11 years 72 to 96 lbs 15 ml 3 tablets

Ibuprofen (Advil/Motrin) Dosage Chart

*Give every 6 hours as needed.

Age Weight Infant Drops Liquid Medicine
6 to 11 months 13 to 17 lbs 1.25 ml 2.5 ml
12 to 23 months 18 to 23 lbs 1.875 ml 3.75 ml
2 to 3 years 24 to 35 lbs N/A 5 ml
4 to 5 years 36 to 47 lbs N/A 7.5 ml
6 to 8 years 48 to 59 lbs N/A 10 ml
9 to 10 years 60 to 71 lbs N/A 12.5 ml
11 years 72 to 95 lbs N/A 15 ml

Diphenhydramine (Benadryl) Dosage Chart

*Contact the office for children less than 10 months of age.

Weight Dose Frequency
26 to 37 lbs 5 ml Give every 6 hours
38 to 49 lbs 7.5 ml Give every 6 hours
50 to 99 lbs 10 ml Give every 6 hours

*The information on this page is standard dosage information used by the pediatric medical field.