Indications for Mirror Laryngoscopy Laryngoscopy may be indicated to evaluate Chronic cough Dysphagia Odynophagia Hoarseness or change in voice Dysphonia Chronic throat pain Sensation of a lump or foreign body in the throat Symptoms of aspiration Sometimes hemoptysis In particular, patients at high risk of head and neck cancer (eg, heavy smokers or alcohol users) may benefit from laryngoscopy, especially if they have had hoarseness, sore throat, or ear pain for > 2 weeks.