Some evidence suggests yellowish-green mucus might be caused by a bacterial infection, rather than a virus (which won’t ...

Causes of a dry cough at night include acid reflux, asthma, COPD, or postnasal drip. Antibiotics, antihistamines, and trigger ...

Feeling ill? This is what phlegm can – and can’t – tell you about your health - Experts have revealed what to look for when ...