Sign or Symptom
nasal flaring
na·sal flar·ing [ ney-zuhl flair-ing ]
Definitions related to nasal flaring:
  • Enlargement of the nostrils during breathing; although there are many possible causes, it can be a sign of respiratory distress in young infants.
    NCI
    U.S. National Cancer Institute, 2021
  • Widening of the nostrils upon inhalation as a manifestation of respiratory distress.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.