Croup
Croup is a viral infection of the vocal cords, voice box (larynx), and windpipe (trachea).
There is a distinctive tight low-pitched barking cough with hoarseness due to swelling of the vocal cords.. A harsh, raspy vibrating sound (stridor) is heard when your child breathes in, usually only with crying or coughing. Symptoms usually last 5 to 6 days and generally get worse at night.
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