Symptom

Cough:PossibleCausesandWhentoSeeaDoctor

Cough is one of the most common symptoms in childhood and usually points to a mild upper respiratory infection. Still, accompanying symptoms, duration, and severity deserve careful attention.

2-5 yrs4 min readUpdated: 2026-08-30

Possible Causes

Cough can result from many causes — the common cold, bronchiolitis, allergic reactions, or, rarely, foreign body aspiration. The character of the cough (dry/wet, barky/wheezy), its duration, and accompanying symptoms all matter when assessing the cause.

Related Symptoms

  • Wheezing
  • Mild fever
  • Runny nose

Related Conditions

  • Bronchiolitis
  • Upper respiratory infection
  • Asthma (in recurring cases)

Red Flags

  • Difficulty breathing
  • Bluish skin
  • Fever lasting more than 48 hours

If any red flag appears, or symptoms last longer than 3 days, see a healthcare provider.

Sources

WHO ICD-11American Academy of PediatricsCDC