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Medication dosing references.

Medication Dosing Charts

Medication Dosing Charts

Quick reference only — always confirm with your pharmacist or Dr. Maghen if you are unsure about your child’s dose or product concentration.

Tylenol (Acetaminophen) – Liquid & Tablet Dosing

Age Weight Infant Drops (160 mg/5 mL) Children’s Liquid (160 mg/5 mL) Chewable Tablets (160 mg) Adult Tablets (325 mg)
0–3 months6–11 lbs1.25 mL1.25 mL——
4–11 months12–17 lbs2.5 mL2.5 mL——
12–23 months18–23 lbs3.75 mL3.75 mL——
2–3 years24–35 lbs5.0 mL5.0 mL1 tab—
4–5 years36–47 lbs7.5 mL—1½ tabs—
6–8 years48–59 lbs10.0 mL—2 tabs1 tab
9–10 years60–71 lbs12.5 mL—2½ tabs1 tab
11 years72–95 lbs15.0 mL—3 tabs1½ tabs
12 years & older96 lbs & up20.0 mL—4 tabs2 tabs
Important: Give every 4 hours as needed (max 5 doses in 24 hours). Do not give to infants under 2 months old without speaking to your doctor. Always use the dropper or dosing cup provided — do not use household teaspoons.

Motrin / Advil (Ibuprofen) Dosing

Age Weight Infant Drops (50 mg/1.25 mL) Children’s Suspension (100 mg/5 mL) Junior Chewable (100 mg) Adult Tablets (200 mg)
6–9 months11–15 lbs1.25 mL2.5 mL——
10–12 months16–20 lbs1.875 mL3.75 mL——
13–23 months21–30 lbs2.5 mL5.0 mL——
2–3 years31–40 lbs—7.5 mL1½ tabs—
4–5 years41–54 lbs—10.0 mL2 tabs1 tab
6–8 years55–64 lbs—12.5 mL2½ tabs1 tab
9–10 years65–89 lbs—15.0 mL3 tabs1½ tabs
11 years & older90 lbs & up—20.0 mL4 tabs2 tabs
Important: Give every 6 hours as needed. Do not give to children under 6 months old. Use the provided dropper or dosing cup only — do not use household teaspoons.

Zyrtec (Cetirizine) Dosing

Dose once daily as needed for allergy symptoms.

Age Weight Children’s Liquid (1 mg/mL or 5 mg/5 mL) Chewable Tablets (5 mg or 10 mg) Adult Tablets (10 mg)
6–23 monthsUnder 24 lbs2.5 mL (2.5 mg)——
2–5 years24–47 lbs2.5–5 mL (2.5–5 mg)½–1 tablet (5 mg)—
6–11 years48–95 lbs5–10 mL (5–10 mg)1–2 tablets (5 mg or 10 mg)1 tablet
12 years & older96 lbs & up10 mL (10 mg)—1 tablet
May cause drowsiness in some children. Use the dosing cup or syringe provided with the liquid — do not use household spoons. Always check the concentration on the bottle (most common: 1 mg per 1 mL or 5 mg per 5 mL). Consult your doctor before use in children under 6 months or if your child has any medical conditions.
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