This calculator is for educational support only and does not replace guidance from your pediatrician or pharmacist. Always confirm dosing before administering medication.

CloseDose was created with the intention of providing dosing information of common over-the-counter medications for generally healthy children.

If your child is 0-2 months of age, has any complex past medical history or past surgical history, any previous reactions to administered medications, history of allergic reaction, or has significant personal or family history of liver/kidney disease please consult with your medical care team prior to use of CloseDose pediatric medication dosing calculator.

When to seek care: Call your pediatrician or seek urgent care for trouble breathing, persistent vomiting, signs of dehydration, seizures, or fever lasting more than 3 days.

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Updated 9.22.2025 • Nickolas Mancini, MD, MBA