R05.3

Clinical Causes: Postnasal drip from allergies or sinus issues Asthma or other respiratory conditions Gastroesophageal reflux disease (GERD) Chronic bronchitis or other chronic lung diseases Smoking or exposure to irritants Medications, such as ACE inhibitors Infections that become chronic, such as tuberculosis or fungi Environmental irritants or pollutants Lung cancer in some cases Unidentified or idiopathic causes

Key Symptoms: Persistent cough lasting more than eight weeks Cough that produces mucus or phlegm Wheezing or difficulty breathing Sore throat or hoarseness Recurring infections Throat irritation or tickling sensation triggers coughing Symptoms worsening at night or with certain activities

Diagnosis Path: Diagnosing a chronic cough involves a detailed medical history review and physical examination. Healthcare providers may recommend various tests to identify underlying causes, including: - Chest X-ray or imaging studies - Pulmonary function tests - Allergy testing - Esophageal pH monitoring - Sputum analysis - Blood tests In cases where routine investigations do not reveal a cause, the cough may be categorized as refractory or unexplained, prompting further evaluation and management strategies.

Treatment Protocols: Treatment of chronic cough depends on identifying and addressing the underlying cause. Common approaches include: - Managing allergies or sinus issues with antihistamines or nasal sprays - Controlling asthma with inhalers or other medications - Treating GERD with dietary changes and medications - Cessation of smoking and avoiding irritants - Adjusting medications if they contribute to cough - Use of cough suppressants or medications targeting specific conditions In cases labeled as refractory or unexplained, symptom management and supportive care become primary, and ongoing monitoring is essential. Collaborating with healthcare professionals can optimize the approach to managing persistent coughs effectively.