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Croup is an infection causing a partial blockage of air as it flows through the larynx (voice box). The noise can be very frightening, and your child's cough may sound like a seal barking. When your child breathes in you may hear a harsh, rasping sound, which is called stridor. The child's voice may be hoarse, too.

Croup may appear after your child has had a cold for several days. Croup is usually caused by a virus and may last several days. Sometimes croup comes on suddenly in the middle of the night. It may disappear in as little as a few hours. It may occur more than one time in a child's life.

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Signs and Symptoms of Croup

Treatment for Croup

Seek Emergency Care/ Call 911 If:



Last Updated: 06/2014