What is considered the best treatment for croup?

The best treatment for croup is the administration of cool moist air. Croup, which is often caused by viral infections leading to inflammation of the upper airway, can cause symptoms such as a barking cough and stridor. The cool moist air helps to alleviate these symptoms by causing vasoconstriction and thereby reducing edema in the airway. The coolness can provide soothing relief and promote easier breathing for the child experiencing croup.

It's important to note that while other treatments like oral steroids can be beneficial in more severe cases of croup by reducing inflammation, the immediate comfort and symptomatic relief provided by cool moist air is often the first-line intervention that parents can utilize at home. Other options, such as warm humid air, do not have the same effect on the airway's inflammation and may not provide the symptomatic relief necessary for a child with croup.