Amoxicillin Pediatric Dosage Calculator

Pediatric Amoxicillin Dosing Overview

Amoxicillin is a broad-spectrum penicillin used for respiratory, ear, skin, and streptococcal infections in children. Dosing depends on weight, indication, route, and suspension concentration. Compare with the Aleve Dosage Calculator for other common medication references.

General Infection (Oral)

Typical dosing is 15–30 mg/kg per dose every 8 hours, with a maximum of 500 mg per dose and 4 g per day. Volume in milliliters depends on suspension strength (mg/mL).

Strep Pharyngitis and Endocarditis Prophylaxis

Streptococcal pharyngitis uses weight-based once-daily dosing. Endocarditis prophylaxis is a single 50 mg/kg dose capped at 2 g before dental procedures.

Frequently Asked Questions

How do I convert mg to mL for amoxicillin suspension?

Divide the dose in mg by the concentration in mg/mL. For 250 mg/5 mL (50 mg/mL), a 250 mg dose equals 5 mL.

What is the maximum daily amoxicillin dose for children?

For general infections, the usual maximum is 4 g per day, with individual doses capped at 500 mg.

How is strep throat dosed in children?

Under 15 kg: 50 mg/kg once daily. From 15–29 kg: 750 mg once daily. At 30 kg or more: 1,000 mg once daily.

What is endocarditis prophylaxis dosing?

A single oral dose of 50 mg/kg, maximum 2 g, is commonly used before certain dental procedures in at-risk patients.

Should I verify doses with a pharmacist?

Yes. Always confirm pediatric dosing with a prescriber or pharmacist, especially for infants and complex indications.

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Amoxicillin Pediatric Dosage Calculator

Pediatric Amoxicillin Dosing Overview

General Infection (Oral)

Strep Pharyngitis and Endocarditis Prophylaxis

Frequently Asked Questions

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