Pneumonia - Symptoms and causes - Mayo Clinic
Jun 13, 2020 · Pneumonia is an infection that inflames the air sacs in one or both lungs. The air sacs may fill with fluid or pus (purulent material), causing cough with phlegm or pus, fever, …
Consumer Health: Recognizing the signs of pneumonia
Nov 10, 2023 · Pneumonia is an infection that inflames the air sacs in one or both lungs. The air sacs may fill with fluid or pus, causing cough with phlegm or pus, fever, chills, and difficulty …
Pneumonia - Diagnosis and treatment - Mayo Clinic
Jun 13, 2020 · Pneumonia — Learn about the symptoms, causes and treatment of this serious lung infection.
Walking pneumonia: What does it mean? - Mayo Clinic
Feb 8, 2023 · What is walking pneumonia? How is it different from more serious pneumonia? "Walking pneumonia" is an informal term for a common bacterial condition. It produces milder …
Legionnaires' disease - Symptoms & causes - Mayo Clinic
Dec 22, 2025 · Bacteria that can live in water from air conditioning systems, showers and spas cause this severe form of pneumonia.
Infectious Diseases A–Z: What you need to know about pneumonia
Dec 30, 2019 · Symptoms of pneumonia can vary, depending on factors such as the type of germ causing the infection, as well as your age and overall health. Mild signs and symptoms are …
Pneumonitis - Symptoms and causes - Mayo Clinic
Jul 30, 2024 · Trouble breathing, and often a dry cough, are the most common symptoms of pneumonitis. Treatment focuses on avoiding irritants and lessening the inflammation of lung …
Mayo Clinic Minute: What to know about Legionnaires’ disease
Aug 7, 2024 · "Symptoms of Legionnaires' disease can start as a flu-like illness with fever, body aches, cough, malaise, kind of feeling really tired; then [it] can present like pneumonia," she says.
Pneumococcal Pneumonia - Mayo Clinic Press
Nov 4, 2022 · Pneumonia is an infection that inflames the air sacs in one or both lungs. The air sacs may fill with fluid or pus (purulent material), causing cough with phlegm or pus, fever, …
Human metapneumovirus (HMPV): Symptoms and prevention
Feb 19, 2025 · Human metapneumovirus (HMPV) is a seasonal virus that causes respiratory illness worldwide. Explore symptoms and ways to prevent infection.