What is acute catarrhal laryngitis? What are the symptoms? Acute catarrhal laryngitis is an inflammation of the laryngeal mucosa, most commonly caused by viral infections. Here’s what you need to know: 🔸 The mucosal lining becomes hyperemic (excessively blood-filled) and edematous (swollen). 🔸 Symptoms include hoarseness, throat irritation, and a dry cough. 🔸 Diagnosis is typically clinical, based on symptoms and laryngeal examination. 🔸 Treatment focuses on voice rest, hydration, and managi