II. Causes: Chronic Cough in Infancy

  1. Congenital Anomaly
    1. Airway malformation
    2. Tracheoesophageal fistula
    3. Vascular Ring
    4. Primary ciliary Dyskinesia
    5. Cystic Fibrosis
    6. Immune deficiency
  2. Infection
    1. Respiratory Syncytial Virus (RSV)
    2. Cytomegalovirus (CMV)
    3. Pertussis
    4. Chlamydia
    5. Tuberculosis

III. Causes: Chronic Cough in preschool children

  1. Reactive changes
    1. Asthma
    2. Postnasal discharge (Sinusitis)
  2. Passive smoke
  3. Infection
    1. Viral causes
    2. Pertussis
    3. Mycoplasma pneumonia
    4. Tuberculosis
  4. Foreign Body Aspiration
  5. Congenital Anomaly
    1. Cystic Fibrosis
    2. Primary ciliary Dyskinesia
    3. Immune deficiency

IV. Causes: Chronic Cough in school age children

  1. Reactive changes
    1. Asthma
    2. Post Nasal discharge (Sinusitis)
  2. Gastroesophageal Reflux
  3. Air Pollution
  4. Active or passive smoking
  5. Lung Infection
    1. Mycoplasma pneumonia
    2. Tuberculosis
  6. Cystic Fibrosis
  7. Psychogenic cough
  8. Tourette syndrome

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