Sialadenitis is an umbrella term for inflammation of one of the salivary glands, most commonly the parotid or submandibular. The history, symptoms, signs, and investigations required depend on the nature of the presentation, the gland affected, and any underlying contributing conditions, such as an autoimmune disease or ductal stones. Sialadenitis may present with airway compromise due to swelling of the affected gland, particularly the submandibular. Features of airway compromise may include stridor, use of accessory muscles, nasal flaring, wheeze, and increased respiratory rate. This requires prompt recognition and intervention to protect and secure the airway.

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