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. Update Date: 05/08/2008Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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