Pneumonia is an infection of thetissue that can make it difficult to breathe due to inflammation, fluid, and pus. Viruses or bacteria, which are , cause most forms of .
Not all cases of pneumonia are , however, and the period during which it can spread from one person to another depends on the cause of the infection.
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Is pneumonia contagious?
respiratory infections, from mild cold to .refers to an infection in the caused by certain germs, such as bacteria or viruses. When one person spreads germs that can cause to someone else, the recipient can develop a range of
A range of factors determine whetheris :
Type of pneumonia
Most cases of antibiotics. Viruses are tiny strands of protein and genetic material that cannot be treated with antibiotics. Both viruses and bacteria are .are due to the spread of bacteria and viruses. Bacteria are living organisms that respond to
often develops after a person has had a different infection, such as a head cold. This makes a person more vulnerable to other types of infections. An infection that develops in the is called .
Some organisms are more likely to cause pneumococcal disease, a that can cause , sinus infections, infections of the brain and , and .than others. One common example is
Another type of bacteria called Mycoplasma pneumoniae can cause other forms of . Mycoplasma bacteria are also .
Less common causes ofinclude:
- inhaling food particles or contents from the intestinal tract
- some fungi
These forms ofare not .
Length of infection
In most cases, infections are contagious for a few days before appear and for a few days after. The exact length of time a person is depends on the type of microorganism causing the infection.
Some forms of, such as caused by mycoplasma, remain for several weeks. If a person has , they should speak to a about how long the infection will be .
People with bacterialwill usually be prescribed antibiotics that stop the infection from progressing. will usually stop being a day or two after treatment begins.
A person is also considered fever, so it is best to stay home from work or school until the fever is gone.during a
People who have beenagainst infections that can cause , such as bacteria, are usually immune to those specific germs. Getting the can help prevent this type of infection from developing.