Pediatric Dose Tricks: A Quick Reference Guide for Accurate Medication Dosing Volume 1: Paracetamol, Domperidone Syrup, Osia (Ondansetron), and ORS

table summarizing the dosing tricks for each drug discussed:

Drug	Concentration	Dosage Calculation
Paracetamol	Syrup: 120 mg/5 ml	Weight ÷ 2
	Drops: 100 mg/ml	Weight ÷ 10
Domperidone	Syrup: 5 mg/5 ml (1 mg/ml)	Weight ÷ 4
Osia (Ondansetron)	--	0.13-0.15 mg/kg
Oral Rehydration Solution (ORS)	--	Weight × 5 (Vomiting)
	--	Weight × 10 (Diarrhea)

Paracetamol Dosing Guide

Syrup (120 mg/5 ml):

Dosage calculation: Weight divided by 2.
Example: For a child weighing 8 kg, the dose is 8 divided by 2, which equals 4 ml.

Drops (100 mg/ml):

Dosage calculation: Weight divided by 10.
Example: For a child weighing 8 kg, the dose is 8 divided by 10, which equals 0.8 ml.

Domperidone Syrup

Concentration: 5 mg/5 ml (1 mg/ml)

Dosage calculation: Weight divided by 4.
Example: For a child weighing 8 kg, the dose is 8 divided by 4, which equals 2 ml.

Osia (Ondansetron)

Dosing: 0.13-0.15 mg/kg

Example: For a child weighing 8 kg, the dose range is 0.13 multiplied by 8, which equals 1.04 mg to 0.15 multiplied by 8, which equals 1.2 mg.

Oral Rehydration Solution (ORS)

For Vomiting:

Dosage calculation: Weight multiplied by 5.
Example: For a child weighing 8 kg, the volume is 8 multiplied by 5, which equals 40 ml.

For Diarrhea:

Dosage calculation: Weight multiplied by 10.
Example: For a child weighing 8 kg, the volume is 8 multiplied by 10, which equals 80 ml.

Summary of Dosing Tricks

Paracetamol:

Syrup (120 mg/5 ml): Weight divided by 2.
- Example: 8 kg child = 4 ml.
Drops (100 mg/ml): Weight divided by 10.
- Example: 8 kg child = 0.8 ml.

Domperidone Syrup (1 mg/ml):

Weight divided by 4.
- Example: 8 kg child = 2 ml.

Osia (Ondansetron):

0.13-0.15 mg/kg.
- Example: 8 kg child = 1.04 mg to 1.2 mg.

ORS:

Vomiting: Weight multiplied by 5.
- Example: 8 kg child = 40 ml.
Diarrhea: Weight multiplied by 10.
- Example: 8 kg child = 80 ml.

This guide provides a quick reference for calculating dosages of common medications based on the child’s weight. Always verify with clinical guidelines and consult with a healthcare professional if needed.