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Which infection increases CRP level?

Published in Infectious Diseases 2 mins read

Several infections can increase CRP (C-reactive protein) levels in the body.

CRP is an acute-phase protein produced by the liver in response to inflammation. Elevated CRP levels typically indicate an underlying inflammatory condition, often triggered by an infection. While CRP can indicate the presence of inflammation, it doesn't pinpoint the specific location or cause. Therefore, further diagnostic testing is usually necessary to determine the source of the elevated CRP.

Here's a breakdown of common infections associated with increased CRP levels:

Bacterial Infections

Bacterial infections generally cause a significant increase in CRP levels. Examples include:

  • Pneumonia: Inflammation of the lungs caused by bacteria.
  • Urinary Tract Infections (UTIs): Infections affecting the bladder, urethra, or kidneys.
  • Bacterial Meningitis: Inflammation of the membranes surrounding the brain and spinal cord due to bacterial infection.
  • Sepsis: A life-threatening condition caused by the body's overwhelming response to an infection.
  • Skin and Soft Tissue Infections: Such as cellulitis or erysipelas.

Viral Infections

Viral infections can also increase CRP levels, but the elevation is often less pronounced than with bacterial infections. Examples include:

  • Influenza (Flu): A common respiratory illness caused by influenza viruses.
  • Common Cold: Typically caused by rhinoviruses.
  • COVID-19: Caused by the SARS-CoV-2 virus, can lead to varying degrees of CRP elevation depending on the severity of the illness.

Fungal Infections

Systemic fungal infections can also cause elevated CRP levels. These infections are less common, but can be serious.

Other Infections

  • Parasitic infections: Some parasitic infections can trigger an inflammatory response and increase CRP levels.

It's important to remember that CRP levels can be influenced by various factors other than infection, including autoimmune diseases, cardiovascular disease, trauma, and certain medications. Consult with a healthcare professional for proper diagnosis and treatment of any health concerns.

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