Parent Resources

Symptom guides, medicine dosage charts, trusted websites, and community resources we recommend to our families.

Medicine Dosage Charts

For fever and pain medicines, dose by weight, not age. Allergy medicines follow the age or weight shown on each chart below. Use the measuring syringe or cup that comes with the medicine, not a household spoon. When in doubt, call the office.

Acetaminophen (Tylenol)

One dose every 4 hours. No more than 5 doses in 24 hours.

WeightAgeInfants' Liquid / Syringe160 mg / 5 mLChildren's Liquid / Teaspoon160 mg / 5 mLChewable80 mgJr. Tablet160 mg
6–11 lbs0–3 mo1.25 mL———
12–17 lbs4–11 mo2.5 mL½ tsp——
18–23 lbs12–23 mo3.75 mL¾ tsp——
24–35 lbs2–3 yr5 mL1 tsp2—
36–47 lbs4–5 yr—1½ tsp3—
48–59 lbs6–8 yr—2 tsp42
60–71 lbs9–10 yr—2½ tsp52½
72–95 lbs11 yr—3 tsp63
96+ lbs12+ yr———4
  • • Infants' and Children's liquids are the same concentration: 160 mg / 5 mL.
  • • Do not give more than 5 doses in 24 hours.

Ibuprofen (Advil / Motrin)

One dose every 6–8 hours. Do not use under 6 months of age.

WeightAgeInfants' Drops / Syringe50 mg / 1.25 mLChildren's Liquid / Teaspoon100 mg / 5 mLChewable50 mgJr. Tablet100 mg
12–17 lbs6–11 mo1.25 mL———
18–23 lbs12–23 mo1.875 mL———
24–35 lbs2–3 yr2.5 mL1 tsp2—
36–47 lbs4–5 yr—1½ tsp3—
48–59 lbs6–8 yr—2 tsp42
60–71 lbs9–10 yr—2½ tsp52½
72–95 lbs11 yr—3 tsp63
  • • Do not use ibuprofen under 6 months of age.
  • • Do not give aspirin to children for fever or pain.
  • • 5 mL = 1 teaspoon. Use measuring devices, not household spoons.

Cetirizine (Zyrtec)

Once a day, dosed by age.

AgeDoseMax Daily Dose
6–23 months2.5 mg once daily2.5 mg
2–5 years2.5 mg once daily (may increase to 5 mg/day)5 mg
6–11 years5–10 mg once daily10 mg
12+ years10 mg once daily10 mg
  • • Common formulations — Liquid: 1 mg/mL or 5 mg/5 mL · Chewable: 5 mg · Tablet: 10 mg.
  • • Slightly more sedating than loratadine (Claritin) or fexofenadine (Allegra) in some children.

Why we now prefer Zyrtec over Benadryl for allergies: read Dr. Halpern's allergy medication Q&A .

Diphenhydramine (Benadryl)

One dose every 6–8 hours as needed for allergies or itching.

WeightAgeLiquid (12.5 mg/5 mL)Chewable (12.5 mg)Tablet (25 mg)
20–24 lbs—4 mL——
25–37 lbs—5 mL1½
38–49 lbs—7.5 mL1½½
50–99 lbs—10 mL21
100+ lbs——42
  • • Not recommended under age 1 for allergies.
  • • Not recommended for colds at any age.
  • • Children under 4 should not receive Benadryl. Under 6, avoid multi-ingredient products.
  • • Adult dose is 50 mg (two 25 mg tablets).

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Trusted Resources

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Symptom Guides

When to call the doctor, when to head to the ER, and what you can do at home.