Table 3

 Worrying features suggestive of serious underlying lung disease in children with chronic cough

• Neonatal onset of the cough
• Chronic moist/purulent cough
• Cough started and persists after choking episode
• Cough occurs during or after feeding
• Auscultatory findings
• Cardiac abnormalities
• Chest wall deformity
• Immune deficiency
• Feeding difficulties
• Haemoptysis
• Neurodevelopmental abnormality
• Recurrent pneumonia
• General ill health/failure to thrive
• Finger clubbing
• Recurrent pneumonia