Croup - Symptoms & causes - Mayo Clinic

This upper airway infection makes it harder to breathe and causes a barking cough. It involves swelling around the voice box, windpipe and bronchial tubes.

Mayo Clinic Minute: What to do if your child has croup

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What Is Croup? - Croup Symptoms and Causes

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Croup and Omicron: Omicron Can Cause Severe Croup in Young

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Croup: MedlinePlus

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