Croup is a viral infection of the vocal cords. It is usually part of a cold. The hoarseness is due to swelling of the vocal cords. Stridor occurs as the opening between the cords becomes more narrow. Croup has a distinctive cough, it is tight and often sounds like a barking seal. The voice is usually hoarse. Croup usually lasts for 5 to 6 days and is generally worse at night. The worst symptoms are seen in children under 3 years of age. Using a cool mist vaporizer in the bedroom will help ease the cough. Warm clear fluids may help relax the vocal cords and loosen mucus.
If your child suddenly develops stridor or tight breathing, do the following: