Pneumonia: Symptoms, Treatment and When to Seek Help
Pneumonia is an infection that affects the lungs and can make breathing feel harder than usual. It may start after a cold, flu, COVID-19 or another respiratory infection, but it can also appear more suddenly. Some people recover at home with the right treatment and rest, while others need urgent care, especially babies, older adults and people with chronic medical conditions. Knowing the symptoms and warning signs can help you act early and prevent complications. On this page What is pneumonia? Common symptoms to watch for Who is more at risk? How pneumonia is diagnosed Treatment and recovery How to reduce your risk When to seek help What is pneumonia? An infection inside the lungs Pneumonia happens when infection causes inflammation in the air sacs of the lungs. These air sacs can fill with fluid or pus, which makes it harder for oxygen to move into the blood...