DDX for exacerbation of cough of 1 weeks duration for 1 years of age patient
1. Respiratory tract infection: such as viral bronchiolitis or pneumonia
2. Asthma
3. Allergies
4. Croup
5. Foreign body aspiration
6. Pertussis
7. Gastroesophageal reflux
8. Congenital airway anomalies
9. Cystic fibrosis
10. Tuberculosis