What symptoms differentiate croup from epiglottitis?

Croup and epiglottitis are both respiratory conditions that can affect children, but they present with distinct symptoms that help differentiate one from the other.

The correct answer highlights that inspiratory stridor and a barky cough are key indicators of croup. Croup is typically caused by viral infections, leading to swelling of the upper airways. The characteristic "barking" cough resembles the sound of a seal, and inspiratory stridor is caused by turbulent airflow through narrowed airways during inhalation, signaling airway obstruction.

In contrast, epiglottitis, which is often caused by bacterial infections, presents with symptoms such as severe sore throat, dysphagia (difficulty swallowing), and drooling, given the risk of the airway being obstructed by inflammation and swelling around the epiglottis. Patients often sit in a tripod position and may exhibit muffled voice due to swelling in the throat.

This understanding reinforces the clinical significance of recognizing the distinct symptoms associated with each condition, ensuring prompt and appropriate management for the affected patients.