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Croup Tóm tắt về bệnh

Cập nhật: 01 September 2026

Tổng quan

Croup is characterized as an acute, rapidly progressing respiratory disease resulting from the inflammation of the upper airway, larynx, and trachea, as stated in the Introduction section.

Croup is one of the most common causes of acute respiratory distress in young children. A detailed discussion about the prevalence of croup is in the Epidemiology section.

Croup is most commonly caused by parainfluenza virus 1-3. Other respiratory viruses that trigger the development of croup are enumerated in the Etiology section.

The developmental process of croup in affected patients is in the Pathophysiology section.

The Risk Factors section lists the conditions associated with the development of croup.



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History and Physical Examination

The Clinical Presentation section describes the clinical features suggestive of croup in affected children.

The History and Physical Examination sections discuss the important information to obtain in the evaluation of children suspected of having croup.

Chẩn đoán

Discussions on pulse oximetry and other diagnostic tests are in the Laboratory Tests and Ancillaries section. 

Other conditions that should be ruled out in the diagnosis of croup are listed in the Differential Diagnosis section.

Xử trí

Assessment for the severity of airway obstruction in patients with croup is discussed in the Evaluation section.

The Pharmacological Therapy section explains the different therapeutic options in children diagnosed with croup.

The Nonpharmacological section includes things to educate the patient, parents, or guardians about the management of croup, as well as discussions on heliox inhalation and oxygen therapy. 

Evaluation of clinical response after proper management in children with croup is explained in the Monitoring section.

The Complications section explains recurrent or atypical croup and indications for specialist referral.