When to Take Your Child to the Doctor: A Parent\'s Guide

Parents frequently face the question: is this serious enough for a doctor? While most childhood illnesses are mild and self-limiting, certain symptoms warrant prompt medical attention. Seek immediate medical care if your child has difficulty breathing or rapid breathing, a fever above 40°C (104°F) or a fever in an infant under 3 months, inability to keep fluids down for more than 8 hours, severe headache with stiff neck and sensitivity to light, a rash that does not fade when pressed (potential sign of meningococcal disease), or unusual drowsiness or difficulty waking. See a doctor within 24 hours for a persistent fever lasting more than 3 days, ear pain or persistent pulling at ears (possible ear infection), a sore throat lasting more than 48 hours (strep testing may be needed), and symptoms that improve then suddenly worsen. Home care is usually sufficient for mild cold symptoms without fever, minor bumps and bruises, mild stomach upset that resolves within 24 hours, and short-term loss of appetite during illness. A telehealth consultation can help you assess your child\'s symptoms, especially outside regular clinic hours. Many Canadian provinces offer pediatric health telephone lines (such as Ontario\'s Telehealth Ontario at 1-866-797-0000) staffed by registered nurses. *This article is for informational purposes only.*

This article is for informational purposes only and does not constitute medical advice. Content reviewed by licensed Canadian physicians. Last updated February 2026.