What is laryngotracheobronchitis commonly known as?

Laryngotracheobronchitis is commonly known as croup. This condition primarily affects young children and is characterized by inflammation of the upper airways, particularly the larynx and trachea, which can lead to a distinctive barking cough, stridor, and difficulty breathing. The term "croup" encompasses the clinical syndrome that results from this inflammation, typically due to viral infections, most commonly parainfluenza viruses.

Understanding the condition in terms of its presentation—such as the characteristic cough and respiratory distress—helps in recognizing croup when it occurs. This is crucial for appropriate management and treatment to alleviate symptoms and ensure the child's airway remains open.

The other terms mentioned correspond to different medical conditions: bacterial tracheitis is a bacterial infection of the trachea, epiglottitis refers to inflammation of the epiglottis which can cause severe throat pain and difficulties in swallowing, and sinusitis involves inflammation of the sinus cavities. Each of these conditions has distinct characteristics and clinical presentations that differ from croup.