cough

Pneumonia

Pneumonia

Symptoms of pneumonia usually depend on the cause, but common symptoms include cough, chest pain, fever and breathlessness. Young people usually recover quickly, but many people feel tired for several weeks afterwards.

Post-nasal drip

Post-nasal drip

Post-nasal drip is the feeling of mucus moving down the back of the throat. You may get it if the mucus in your nose and sinuses becomes thicker or increases.

Whooping cough overview

Whooping cough overview

Whooping cough is a highly infectious disease that causes sudden attacks of coughing that often end in a high-pitched whooping sound.  The cough commonly persists for up to 3 months.

Emphysema

Emphysema

In people with emphysema, the walls of the tiny air sacs in the lungs (alveoli) become gradually damaged, causing breathing difficulties. Smoking is the main cause of this condition.