Pneumonia is an infection of the lungs caused by bacteria, viruses, or fungi. It can be mild or severe and can be fatal if not treated promptly. The key characteristics of pneumonia include:
1. Symptoms: The most common symptoms of pneumonia include chest pain, cough, fever, chills, and difficulty breathing. Additional symptoms may include fatigue, sweating, nausea, vomiting, loss of appetite, and confusion.
2. Complications: Pneumonia can lead to complications such as respiratory failure, sepsis, and lung abscess. It can also cause long-term health problems such as chronic bronchitis, emphysema, and asthma.
3. Diagnosis: Pneumonia is typically diagnosed using a physical exam and chest x-ray. A sputum test or blood test may also be used to diagnose pneumonia.
4. Treatment: Treatment for pneumonia typically involves antibiotics, fluids, and rest. In some cases, oxygen therapy or breathing treatments may also be necessary.
5. Prevention: The best way to prevent pneumonia is to get the recommended vaccinations. It is also important to practice good hygiene, such as washing your hands frequently and avoiding contact with people who are ill.