DDX for exacerbation of cough of 1 weeks duration

1. Acute bronchitis

2. Pneumonia
3. Asthma exacerbation
4. Chronic obstructive pulmonary disease (COPD) exacerbation
5. Post-nasal drip
6. Allergic rhinitis
7. Gastroesophageal reflux disease (GERD)
8. Viral respiratory infection
9. Whooping cough (Pertussis)
10. Tuberculosis