glossary-canker-sores
Canker Sores
Definition: Small, painful ulcers inside the mouth that usually heal on their own in 1–2 weeks.
Parent Tip: Have a simple plan, keep basic supplies handy, and teach caregivers your preferences and any known medical needs.
Why It Matters: Knowing what to watch for and how to respond helps you act calmly and confidently when your child needs you.
Related Terms: Chickenpox (Varicella), CPR (Cardiopulmonary Resuscitation), Choking, Childproofing
Written and reviewed by Jeremy Manke, Firefighter / Paramedic (22 years of emergency service)