What it means
Inflammation of the larynx, trachea and bronchi (laryngotracheobronchitis), usually caused by a virus, most often parainfluenza. It is most common between 6 months and 3 years of age. Swelling below the vocal cords narrows the airway, causing a barking, seal-like cough, a hoarse voice and, when severe, stridorSTRY-derA high-pitched, harsh sound made while breathing, usually heard when breathing in.Full entry . It is often worse at night. Treatment includes a corticosteroid such as dexamethasonedek-suh-METH-uh-zohnA strong, long-acting corticosteroid drug that reduces inflammation and calms the immune system.Full entry and, for severe cases, nebulized epinephrine.
For the nurse
Keep the child calm and in a parent's arms, since crying makes breathing harder. Watch for stridor at rest, retractions, restlessness and falling oxygen saturation, and report them at once.
At a glance
| Also written | laryngotracheobronchitis |
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Related terms
stridor
A high-pitched, harsh sound made while breathing, usually heard when breathing in.
dexamethasone
A strong, long-acting corticosteroid drug that reduces inflammation and calms the immune system.