Violent paroxysm of coughing (most common symptom), choking, gagging and wheeze immediately after aspiration. If obstruction is complete, child may be unable to vocalize (aphonia) and there may be cyanosis. If obstruction is incomplete drooling and stridor may occur. 2. Stage H Asmptomatic --> The foreign body becomes lodged, reflex fatigue and immediate irritating symptoms subside. This stage is most tracherous and account for a large percentage of delayed diagnosis and overlooked foreign bodies. 3. Stage III - Complications --> Obstruction, erosions or infection can cause fever, hemoptysis, pneumonia and atelectasis. The most serious complication offoreign body aspiration is complete airway obstruction.">