What is polymicrobial pneumonia?

Polymicrobial pneumonia was defined as pneumonia due to more than one pathogen. Severe CAP was defined when at least one major criterion or three minor criteria of the Infectious Disease Society of America/American Thoracic Society (IDSA/ATS) guidelines were present [9].

What is the difference between community-acquired pneumonia and pneumonia?

Pneumonia is a type of lung infection. It can cause breathing problems and other symptoms. In community-acquired pneumonia (CAP), you get infected in a community setting. It doesn’t happen in a hospital, nursing home, or other healthcare center.

What is community-acquired pneumococcal pneumonia?

Community-acquired pneumonia is defined as pneumonia that is acquired outside the hospital. The most commonly identified pathogens are Streptococcus pneumoniae, Haemophilus influenzae, atypical bacteria (ie, Chlamydia pneumoniae, Mycoplasma pneumoniae, Legionella species), and viruses.

What is the most serious type of pneumonia?

Hospital-acquired pneumonia. You catch this type during a stay in a hospital. It can be serious because the bacteria causing the pneumonia can be resistant to antibiotics. You’re more likely to get this type if: You’re on a breathing machine.

How long does it take to recover from community-acquired pneumonia?

With treatment, most people improve within 2 weeks. Older adults or very sick people may need longer treatment. Those who may be more likely to have complicated pneumonia include: Older adults.

How long are you contagious with community-acquired pneumonia?

Once a person who has pneumonia starts on antibiotics, he or she only remains contagious for the next 24 to 48 hours. This can be longer for certain types of organisms, including those that cause the disease tuberculosis. In that case, someone can remain contagious for up to two weeks after starting on antibiotics.

How bad does pneumonia have to be to be hospitalized?

Pneumonia can be life-threatening if left untreated, especially for certain at-risk people. You should call your doctor if you have a cough that won’t go away, shortness of breath, chest pain, or a fever. You should also call your doctor if you suddenly begin to feel worse after having a cold or the flu.

Can pneumonia cause sudden death?

When you have pneumonia, the tiny air sacs in your lungs become inflamed and can fill with fluid or even pus. Pneumonia can range from a mild to serious or life-threatening infection and can sometimes lead to death.

What happens if pneumonia is left untreated?

Untreated pneumonia can also lead to a lung abscess, where part of the lung tissue dies. And, in very rare cases, respiratory failure can occur. These complications can be reduced, or avoided altogether, with prompt diagnosis and proper treatment. Your doctor relies on several tools to help diagnose pneumonia.