Pneumonia
What it is?
Pneumonia is an infection that inflames the air sacs in one or both lungs, which may fill with fluid or pus.
Symptoms
- Cough with phlegm
- Fever, sweating and chills
- Shortness of breath
- Chest pain when breathing or coughing
Diseases
Our comprehensive guide to common and rare diseases — what they are, their symptoms, causes, prevention and treatment.