Acetaminophen and children

Find out how children can safely be given acetaminophen.

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Usage

Acetaminophen is found in many medications for children and is used to treat:

Safety

Always check the ingredients before giving medication to your child.

You should never give your child:

Before giving medication with acetaminophen to your child:

Proper dosage

The right dose of acetaminophen for your child is based on weight or age (if weight is unknown).

If you have concerns or questions, talk to your pharmacist or health professional, especially if your child:

Different formulations of acetaminophen are available at varying concentrations. For infants up to 23 months old, the typical concentration is 80 mg/1 mL. For children 2-12 years old, liquid forms commonly include 80 mg/1 ml and 160 mg/5 mL, and chewable tablets 80 mg and 160 mg are also available. The 325 mg strength is recommended only for children older than 6 years.

Severe or possibly fatal liver damage may occur if you give your child more than the recommended dose within 24 hours or if your child takes other drugs containing acetaminophen at the same time.

Always:

After each use:

Dosage guide

Infants 0-23 months

Table 1. Acetaminophen 80 mg/mL dropsTable 1 footnote * dosing information for infants (0-23 months)
Age Weight Single oral dose
(every 4-6 hours)
Maximum daily dose
(do not give more than 5 doses in 24 hrs)
months lbs kg mL mL
0-3 6-11 2-5.4 0.5 2.5
4-11 12-17 5.5-7.9 1.0 5
12-23 18-23 8-10.9 1.5 7.5

Children 2-12 years

Table 2. Acetaminophen 80 mg/1 mL syrupTable 2 footnote * dosing information for children (2 to 12 years)
Age Weight Single oral dose
(every 4-6 hours)
Maximum daily dose
(do not give more than 5 doses in 24 hrs)
years lbs kg mL mL
2-3 24-35 11-15.9 2 10
4-5 36-47 16-21.9 3 15
6-8 48-59 22-26.9 4 20
9-10 60-71 27-31.9 5 25
11-12 72-95 32-43.9 6 30
Table 3. Acetaminophen 160 mg/5 mL oral suspensionTable 3 footnote * dosing information for children (2 to 12 years)
Age Weight Single oral dose
(every 4-6 hours)
Maximum daily dose
(do not give more than 5 doses in 24 hrs)
years lbs kg mL tsp mL tsp
2-3 24-35 11-15.9 5 1 25 5
4-5 36-47 16-21.9 7.5 37.5 7.5
6-8 48-59 22-26.9 10 2 50 10
9-10 60-71 27-31.9 12.5 62.5 12.5
11-12 72-95 32-43.9 15 3 75 15
Table 4. Acetaminophen 80 mg (chewable) tablet dosing information for children (2 to 12 years)
Age Weight Single oral dose
(every 4-6 hours)
Maximum daily dose
(do not give more than 5 doses in 24 hrs)
years lbs kg tablets tablets
2-3 24-35 11-15.9 2 10
4-5 36-47 16-21.9 3 15
6-8 48-59 22-26.9 4 20
9-10 60-71 27-31.9 5 25
11-12 72-95 32-43.9 6 30
Table 5. Acetaminophen 160 mg (chewable) tablet dosing information for children (2 to 12 years)
Age Weight Single oral dose
(every 4-6 hours)
Maximum daily dose
(do not give more than 5 doses in 24 hrs)
years lbs kg tablets tablets
2-3 24-35 11-15.9 1 5
4-5 36-47 16-21.9 1.5 7.5
6-8 48-59 22-26.9 2 10
9-10 60-71 27-31.9 2.5 12.5
11-12 72-95 32-43.9 3 15

Children 6-12 years taking 325 mg acetaminophen tablet

Table 6. Acetaminophen 325 mgTable 6 footnote ** tablet dosing information for children (6-12 years)
Age Weight Single oral dose
(every 4-6 hours)
Maximum daily dose
(do not give more than 5 doses in 24 hrs)
years lbs kg tablets tablets
6-8 48-59 22-26.9 1 5
9-10 60-71 27-31.9 1.25 6.25
11-12 72-95 32-43.9 1.5 7.5

Health risks

While acetaminophen is safe and effective when used as directed, taking too much can harm your child's health. Misuse may lead to:

Liver damage may occur if too much acetaminophen builds up in the liver. The risk of liver damage from acetaminophen may be higher for children who:

If you think your child has taken too much acetaminophen, call your provincial poison control centre right away.

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2026-01-09