Oedema of larynx

**Definition:** Laryngeal oedema is oedema (accumulation of fluid) which may occur for example in asaryepiglottic folds, epiglottis, the arytenoid region or submucosal of the subglottic region. It may occur due to anaphylaxis, angioneurotic oedema, larynx infection, foreign body or substance, or injury.

**Exclusions:** - laryngitis: acute obstructive [croup] - oedematous laryngitis