- A persistent cough. At first the cough is dry, but it may later become loose and produce clear, sticky secretions. Yellow-green secretions indicates a secondary bacterial infection.
- There may be chest pain with excessive coughing.
- Mild fever
- Wheezing may occasionally occur in an older child. This should always suggest asthma.
Acute bronchitis in children is very different from chronic bronchitis in adults.
Loose crackles are heard, especially on auscultation (with a stethoscope). These noises clear with coughing.