kilograms (kg) pounds (lb) Calculate

Antipyretics⁷

Drug	Concentration	Dosing	Amount Per Dose	Liquid Dosing
Acetaminophen	160 mg / 5 mL	15 mg/kg		Give every 4-6 hours as needed and every 6-8 hours in neonates. Max: 5 doses or 4000 mg/day.
Ibuprofen	100 mg / 5 mL 50 mg / 1.25 mL	10 mg/kg		Give every 6 hours as needed for children 6 months or older. Max: 4 doses or 2400 mg/day.

Antihistamines⁷

Drug	Indication	Concentration	Dosing	Maximum Daily Dose	Amount Per Dose	Liquid Dosing
Diphenhydramine	Severe Allergic Reaction	12.5 mg / 5 mL	1 mg/kg/dose	200 mg		Give every 6 hours as needed. Use is generally limited to children above 2 years of age.
Cetirizine	Allergic Rhinitis, Urticaria	5 mg / 5 mL	By age	10 mg	2.5 to 10 mg depending on age	2 to 5 years old: Give 2.5 mL once or twice daily, or give 5 mL once daily. ≥6 years old: Give 5 to 10 mL once daily.
Loratadine	Allergic Rhinitis, Urticaria	5 mg / 5 mL	By age	10 mg	5 to 10 mg depending on age	2 to 5 years old: Give 5 mL once daily. ≥6 years old: Give 5 mg twice daily or 10 mL once daily.

Antibiotics^7,9

Drug	Indication	Concentration	Dosing	Maximum Daily Dose	Amount Per Dose	Liquid Dosing
Amoxicillin	Acute otitis media	400 mg / 5 mL 250 mg / 5 mL 200 mg / 5 mL	90 mg/kg/day	1750 mg 2000 mg 3000 mg 4000 mg		Give every 12 hours for 10 days for children below age of two and 5 to 7 days for children above age of two.
	Strep pharyngitis	400 mg / 5 mL 250 mg / 5 mL 200 mg / 5 mL	50 mg/kg/day	1000 mg		Give every 12 hours for 10 days.
Amoxicillin-Clavulanate	Acute otitis media	600-42.9 mg / 5 mL	90 mg/kg/day	1750-125 mg 2000-142.9 mg 3000-214.2 mg 4000-285.7 mg		Give every 12 hours for 10 days for children below age of two and 5 to 7 days for children above age of two.
	Sinusitus	600-42.9 mg / 5 mL	45 mg/kg/day	1750-125 mg 2000-142.9 mg 3000-214.2 mg 4000-285.7 mg		Give every 12 hours for 10 days.
Azithromycin	Acute otitis media	200 mg / 5 mL 100 mg / 5 mL	5-10 mg/kg/day	500 mg		Give once on day 1 and then once daily for 4 more days.
Cefdinir	Acute otitis media	250 mg / 5 mL 125 mg / 5 mL	14 mg/kg/day	600 mg		Give every 12 hours for 10 days for children below age of two and 5 to 7 days for children above age of two.
Cephalexin	Cellulitis	250 mg / 5 mL 125 mg / 5 mL	mg/kg/day	2000 mg		Give every 8 hours for 5 to 7 days.
	Urinary tract infection	250 mg / 5 mL 125 mg / 5 mL	mg/kg/day	1500 mg 2000 mg 3000 mg 4000 mg		Give every 8 hours for 7 to 14 days.
Doxycycline	Lyme disease	25 mg / 5 mL 50 mg / 5 mL	4.4 mg/kg/day	200 mg	Prophylaxis: Treatment:	Give once for prophylaxis. Give every 12 hours for 10 days for erythema migrans and for 14 to 21 days for more extensive infections.