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Infant Tylenol Dosage

Dosage of Infant Tylenol for Children Under Age Two

You may have noticed that your bottle of infant Tylenol does not give any dosing information for children under the age of two. This may seem a little odd, since this product is made especially for infants. The bottle suggests that you contact your child's healthcare provider for dosing instructions. This is for several reasons.
 
It is always a good idea to contact your child's healthcare provider any time your child has pain or a fever. It is also important to accurately know your child's situation in order to dose the medication properly. Because children grow, the dosage will change. Be sure to talk to your healthcare provider about the appropriate dosage for your child under the age of two. This is especially important because the concentration of Infant Tylenol is changing, and dosing may be quite confusing during this period of transition.
 

Infant Tylenol Dosages for Older Children (Old Concentration)

For children ages two to three (weighing 24 to 35 pounds), the recommended infant Tylenol dose is 1.6 mL (for the old concentration of 80 mg per 0.8 mL) every four hours as needed (but not more than five times in a day). The dropper that comes with infant Tylenol measures 0.4 mL or 0.8 mL (but not 1.6 mL).

 

In order to measure 1.6 mL, you will need to give two 0.8-mL doses. If your child weighs less than 24 pounds or more than 35 pounds, ask your child's healthcare provider about the proper dosage.

 

Infant Tylenol Dosages for Older Children (New Concentration)

The new concentration of Infant Tylenol is 160 mg per 5 mL (the same as Children's Tylenol). The new concentration is much less concentrated than the old concentration, meaning that you will have to give more medication (in terms of volume) to achieve the same dosage as before. Refer to the following chart for dosage information for this new concentration:
 
Age (Years)
Weight (Pounds)
Dose in Milligrams (Mg)
Infant or Children's Tylenol Suspension (or Generic Suspension) -- 160 Mg per Teaspoonful
Under 2
Under 24
Ask your healthcare provider
2 to 3
24 to 35
160 mg
1 teaspoonful (5 mL)
4 to 5
36 to 47
240 mg
1 ½ teaspoonfuls (7.5 mL)
6 to 8
48 to 59
320 mg
2 teaspoonfuls (10 mL)
9 to 10
60 to 71
400 mg
2 ½ teaspoonfuls (12.5 mL)
11 to 12
72 to 95
480 mg
3 teaspoonfuls (15 mL)

 

 
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