A form of bacteria called Chlamyophila pneumoniae infection can result in pneumonia and other respiratory tract illnesses. One reason for lung infections that occur outside of a hospital is C. pneumoniae. Not everybody who is exposed to C. pneumoniae, however, gets pneumonia.

When someone coughs or sneezes, tiny respiratory droplets are produced that carry the bacteria and can transmit the sickness. The bacteria and droplets are then inhaled by other persons. Additionally, if someone touches their mouth or nose after coming in contact with something that has a sick person’s droplets on it, they may become ill.


Chlamyophila pneumoniae infection is often a mild condition that most frequently results in an upper respiratory tract infection. An ear infection, sore throat, or sinus infection are examples of these upper respiratory tract illnesses. Typical signs include:

  • Runny or congested nose
  • Low fever
  • Fatigue
  • Headache
  • Sore throat
  • Loss of voice or hoarseness
  • Cough that gradually gets worse and might linger for weeks or months

Infections in the lower respiratory tract, such as bronchitis and pneumonia, can also result from it. According to some studies, those who have C. pneumoniae-related pneumonia are more likely than those who have laryngitis to have another form of bacterial pneumonia.

After a person has been exposed to the bacteria, it might take 3 to 4 weeks before symptoms start to manifest. Additionally, symptoms can last for several weeks after they first appear.


Your symptoms and medical history will be considered by the doctor when diagnosing a Chlamyophila pneumoniae infection. Infection may also be determined by a doctor using a:

  • Laboratory test that entails collecting a sample of sputum or throat tissue with a swab
  • Blood test


Antibiotics can be used by doctors to treat Chlamyophila pneumoniae infections, although the majority of patients recover without them. Moreover, the illness caused by Chlamyophila pneumoniae can be treated by doctors using a variety of medications. If a doctor finds an infection, they will choose the most appropriate course of action.

Most often, Chlamyophila pneumoniae infection is a minor condition. However, major issues that necessitate care or treatment in a hospital can arise, such as:

  • Encephalitis 
  • Worsening asthma
  • Myocarditis 

Chlamyophila pneumoniae infection can become chronic. According to some experts, chronic infections may be a factor in the development of chronic diseases such as arthritis, atherosclerosis, and asthma.

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