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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, chills, and difficulty breathing. A variety of organisms, including bacteria, viruses and fungi, can cause pneumonia.
If pneumonia is suspected, your doctor may recommend the following tests: Blood tests. Blood tests are used to confirm an infection and to try to identify the type of organism causing the infection. However, precise identification isn't always possible. Chest X-ray.
Although a single episode of bronchitis usually isn't cause for concern, it can lead to pneumonia in some people. Repeated bouts of bronchitis, however, may mean that you have chronic obstructive pulmonary disease (COPD).
Symptoms of a pneumothorax can be caused by a variety of health problems, and some can be life-threatening, so seek medical attention. If your chest pain is severe or breathing becomes increasingly difficult, get immediate emergency care.
People with COPD are more likely to have colds, the flu and pneumonia. Any respiratory infection can make it much harder to breathe and could cause more damage to lung tissue. Heart problems. For reasons that aren't fully understood, COPD can raise the risk of heart disease, including heart attack. Lung cancer.
Pulmonary embolism symptoms can vary greatly, depending on how much of your lung is involved, the size of the clots, and whether you have underlying lung or heart disease. Common symptoms include: Shortness of breath.
Most people who get ARDS already are in a hospital for another condition. Many are critically ill. People are especially at risk if they have an infection, such as sepsis or pneumonia. They're also at higher risk if they have COVID-19, especially if they also have metabolic syndrome.
Symptoms of sepsis. Symptoms of sepsis may include: Change in mental status. Fast, shallow breathing. Sweating for no clear reason. Feeling lightheaded. Shivering. Symptoms specific to the type of infection, such as painful urination from a urinary tract infection or worsening cough from pneumonia. Symptoms of sepsis are not specific.
Pneumocystis pneumonia, also called PCP. This fungal infection can cause severe illness. It doesn't happen as often in the U.S. because of treatments for HIV / AIDS .
Typical COVID-19 symptoms often show up 2 to 14 days after contact with the virus. Symptoms can include: Dry cough. Shortness of breath. Loss of taste or smell. Extreme tiredness, called fatigue. Digestive symptoms such as upset stomach, vomiting or loose stools, called diarrhea. Pain, such as headaches and body or muscle aches. Fever or chills.