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CloseDose — confident pediatric dosing in seconds

Emergency: call 911

For trouble breathing, persistent vomiting, or seizures. Outside the U.S., call your local emergency number.

Poison Control 1-800-222-1222

If an overdose or a medicine mix-up is suspected.
Fever under 2 months

A medical emergency. Contact your pediatrician immediately.

Safety quick-reference

  • Always use the syringe or cup that came with the medicine.
  • Recheck weight frequently for accurate dosing in small children. Older children: recheck every few months.
  • Acetaminophen: every 4 hours under 6 months, every 6 hours from 6 months. Ibuprofen: every 6 hours.
  • Ibuprofen is not for infants under 6 months.

Before you give a dose

Allergy medicine calculator Cetirizine, loratadine, fexofenadine, and guarded Benadryl guidance. How to measure the dose? Syringe vs cup, how to read mL markings, and common mistakes to avoid. Need to weigh your baby first? See our quick tared-scale guide for infants who can't stand on a scale alone. Worried about your baby’s breathing? Compare visible signs such as nostril flaring, ribs pulling in, throat tugging, and head bobbing. Cough & cold guidance Why we avoid cold-medicine calculators, plus honey tips for kids over 1 year.

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Important

Disclaimer & medical safety

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

If your child is 0–2 months of age or has any complex medical history, please consult with your medical care team prior to use.

When to seek care: Call 911 or your pediatrician for trouble breathing, persistent vomiting, or seizures.

Read the full disclaimer →