Cough: Cough - acute with chest signs in children (CKS), chronic (asthma, reflux, post-nasal drip)

Wheeze: Managing wheeze in preschool children (BMJ, 2014)

SOB: PE, asthma, pneumothorax

Pneumothorax: Acute asthma is unlikely to cause pleuritic chest pain, and bilateral chest signs would be expected on examination. PE less likely in younger patients without risk factors and the history