Immunoglobulin A blood test

The Immunoglobulin A (IgA) blood test measures the levels of IgA antibodies in the bloodstream. IgA is a type of antibody that plays a crucial role in the immune system's defense against infections, particularly those affecting the mucous membranes, such as the respiratory and digestive tracts. The test is used to evaluate the immune system's function and to diagnose certain immune disorders.
This page is designed solely for educational purposes and does not constitute medical advice. If you have any concerns regarding your health, we strongly encourage you to consult with your healthcare provider. Please refrain from using this information for self-diagnosis, and always seek guidance from qualified healthcare professionals. In case of a medical emergency, please call 911 or visit the nearest hospital or urgent care facility.

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