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As far as I understand, if a stool test shows candida, then you definitely do have candida. But if a stool test shows no candida, that does not mean that you do not have candida. You may have candida without it being detectable in your stool.
A blood test is more reliable.
Contrary to what some would like you to believe, a blood test does not test for candida in the blood. It does test for antigens in the blood. Antigens can be in the blood even if the candida is somewhere else; the presence of antigens just means that your body is fighting candida.
Ideally, a blood test should therefore be repeated. If the first blood test shows antigens against candida, this means that your body is combating candida, or has been in this fight recently. It does not show the outcome of this fight. Perhaps your body won the fight a few days ago but the antigens are still circulating; perhaps your body is still fighting, but it will win in a week or two.
If you do the blood test and it is positive for antigens against candida, and if you do the blood test again after (let’s say) three weeks, then it means that your body is continuously fighting candida, and it’s either losing or it’s an everlasting battle without a winner. In that case, you can seriously say you have a candida issue, and take appropriate measures.
The above is my current understanding. I’m still learning. If someone likes to add to the above, or to correct some or all of my words, please go ahead.
The antigen is the offender or a part of it. Antigens wake up an immune response. The immune system generates antibodies to neutralize the antigens. They bind together.
Candida Immune Complexes in blood is an specific test to detect an intestinal fungal overgrowth.
The most important reading of this test is the presence of immune complexes in blood. An immune complex is the binding between an antigen and an antibody.
During an active intestinal fungal overgrowth yeast growth forming colonies and releasing metabolites. During this process, parts of the yeast cell wall are released inside the intestines. These parts crosses the intestinal barrier and are seen as yeast antigens by the immune system. The immune system responds sending IGG antibodies that bind with the antigens forming an immune complex.
These immune complexes are seen under a microscopy and are evidence there is an overgrowth of yeast in the intestinal lumen.
Until more immune complexes are found in the live blood analysis, more severe is the infection. People with sporadic candida cells in the intestines don’t have candida cell wall antigens circulating in their blood.
The test also offer antigenic load and antibodies reading. The 3 numbers together give a reliable picture. However, the presence of immune complexes is enough.
Hope this help.
Here you can see the test: