Croup is a viral infection that affects your child's airway near the voice box (larynx) and windpipe (trachea).
The virus makes this area red and swollen. This makes breathing difficult. Croup often goes along with a cold.
Croup most often affects infants to children age 6 years old. Your child can get croup more than once.
Because this is caused by a virus, antibiotics won't help.
Call your health care provider for an appointment if your child's:
Call 911 or go to an emergency department or clinic urgent care if your child:
Allina Health's Patient Education Department, Guide for the Care of Children: Ages Birth to 5 Years Old, fifth edition. To avoid awkward sentences, instead of referring to your child as "he/she" or "him/her," this guide will alternate between "he" or she" and "him" or "her."
Allina Health's Patient Education Department experts, including the Pediatric Department of Allina Health Coon Rapids Clinic