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Pneumonia is an infection that causes the air sacs in the lungs to fill up with fluid or pus, which makes it harder to breathe. The most common symptoms are cough that may be dry or produce phlegm, fever, chills and fatigue. Other symptoms may include nausea, vomiting, diarrhea, and pain in the chest. and shortness of breath.
When you get pneumonia -- whether it comes from bacteria, a virus, or a fungus -- there's a chance it could lead to other medical troubles. Learn the signs of complications of pneumonia and how...
Aspiration pneumonia. Aspiration pneumonia occurs when you inhale food, drink, vomit or saliva into your lungs. Aspiration is more likely if something disturbs your normal gag reflex, such as a brain injury or swallowing problem, or excessive use of alcohol or drugs.
Specifically, pneumonia causes the tiny air sacs in the lungs (alveoli), as well as tiny nearby blood vessels (capillaries), to become inflamed and congested with fluid. Most of this congestion takes place during the first 24 hours after the infection develops.
You can get aspiration pneumonia when you breathe in a foreign substance, like vomit, saliva, or food. You're more likely to get it if something has interfered with your gag reflex, such as a...
Pneumonia is an infection in your lungs caused by bacteria, viruses or fungi. Pneumonia causes your lung tissue to swell (inflammation) and can cause fluid or pus in your lungs. Bacterial pneumonia is usually more severe than viral pneumonia, which often resolves on its own.
Vomiting: This is often due to labored breathing. Cough: A cough may be either dry or produce phlegm, which can be clear, white, yellow-green, or even blood-tinged. Rapid respiratory rate (tachypnea): An increased respiratory rate can be an important sign of pneumonia in children.