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Nasal flaring

Nasal flaring

Overview

Nasal flaring may be an indication of breathing difficulty, or even respiratory distress in infants. Check for airway obstructions, and call a health care provider.

Review Date 4/18/2026

Updated by: Charles I. Schwartz, MD, FAAP, Clinical Assistant Professor of Pediatrics, Regional Medical Director of Penn Medicine Primary and Specialty Care, Perelman School of Medicine at the University of Pennsylvania, General Pediatrician at PennCare for Kids, Phoenixville, PA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.