Understanding Lab Tests for Chronic or past Candida infection
Written by Private MD Labs Medical Writing Team • Last Updated: September 8, 2025
Candida albicans is a type of yeast that naturally exists in the human body but can cause infections when it overgrows. While acute Candida infections are often diagnosed through direct observation or culture methods, chronic or past infections require a different approach through blood antibody testing.
Recommended Test
Candida albicans Ab (IgG, IgA, IgM)
This comprehensive antibody test measures three types of immune responses to Candida albicans. IgG antibodies are particularly important as they provide long-term immunity and elevated levels may indicate a past or chronic Candida infection. IgA antibodies suggest mucosal involvement, while IgM antibodies may indicate a more recent infection. Together, these antibody levels help healthcare providers assess the extent and timeline of Candida exposure.
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Why Blood Testing is Important for Chronic Candida
Unlike acute infections where the organism can be directly detected, chronic or past Candida infections are best identified by measuring the body's immune response. When exposed to Candida, your immune system produces specific antibodies (IgG, IgA, and IgM) that remain detectable in the blood, providing evidence of previous or ongoing exposure.
Understanding Your Results
Elevated antibody levels, particularly IgG, can suggest previous exposure to Candida or a chronic infection that may require treatment. However, it's important to note that some level of Candida antibodies may be normal since this organism naturally exists in our bodies. Your healthcare provider will interpret these results in the context of your symptoms and medical history.
Important Considerations
The information here is for educational purposes only and is not a substitute for professional medical advice. Always consult with a healthcare provider for diagnosis and treatment.
