This document discusses laryngitis, an inflammation of the larynx. It defines acute and chronic laryngitis, with acute lasting less than a few days and chronic lasting more than 3 weeks. Common causes include viral and bacterial infections, vocal misuse, inhaled irritants, acid reflux, smoking, and excessive alcohol use. Symptoms may include hoarseness, sore throat, difficulty swallowing, and cough. Diagnosis involves medical history, physical exam, imaging, and biopsy. Treatment focuses on vocal rest, hydration, antibiotics, steroids, mucolytics, humidification, and surgery in severe cases. Nursing care includes assessment, education on causes and treatment, encouraging vocal rest and hydration, and monitoring