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Intestinal candidiasis test: when to pay attention
Chronic fatigue, bloating after every meal, frequent allergic reactions, even without an obvious allergen - all these can be signals from the body about a disruption in the microbiome, namely - an excessive growth of fungi of the genus Candida in the intestines. One way to confirm or rule out such a problem is to take a test for intestinal candidiasis. How it is carried out, when it is worth taking it, and what research methods are available - we will consider further.
What is intestinal candidiasis?
Intestinal candidiasis is a disturbance of the balance of microflora, in which fungi Candida albicans (or other species) begin to actively multiply and crowd out the beneficial bacteria. This is not an acute infection, but rather a chronic disorder, often accompanied by subtle but debilitating symptoms:
bloating, gas formation;
unstable stool (constipation/diarrhea);
constant fatigue, blurred thinking ("fog in the head");
food intolerances;
susceptibility to fungal infections of the skin and mucous membranes;
cravings for sweets and carbohydrates.
What tests are there?
There are several ways to detect intestinal candidiasis. The table below compares the main methods:
| Testing method | What determines | Where is it used? | Reliability |
|---|---|---|---|
| Stool analysis (microbiological culture) | Presence of fungi Candida, their type | General laboratories | High |
| PCR diagnostics | Fungal DNA in feces | Specialized diagnostic centers | Very high |
| ELISA blood test | Presence of antibodies IgG/IgA to Candida | If systemic candidiasis is suspected | Medium |
| Organic Acid Test (OAT) | Secondary metabolites of fungi in urine | Functional medicine | Auxiliary |
How to prepare for a stool analysis for candidiasis?
3 days before the pick-up: do not take probiotics, antifungals, antiseptics, or antibiotics.
Diet: It is advisable to avoid alcoholic beverages, very spicy or fatty foods.
Material collection: A sterile container is used, and it is advisable to take material from several areas of feces.
Delivery time: deliver the sample to the laboratory no later than 2 hours after collection (or store in the refrigerator for up to 12 hours).
What do the results mean?
A positive result means that active or excessive fungal growth is found in the intestines. Candida. However, it is important to distinguish presence (which may be normal) and dominance (which is pathological). Normally, a small amount of candida is permissible - as part of microbiome.
The result should be evaluated in the context of symptoms, medical history, and additional tests (e.g., for other fungi or bacteria, levels of inflammatory markers, intestinal enzymatic activity).
Real-life example
A 32-year-old female patient presented to a gastroenterologist with complaints of bloating, fatigue, and oral candidiasis. Stool analysis revealed growth of Candida albicans above normal. After a 2-week antifungal course (natamycin) and dietary correction, the symptoms significantly decreased. Repeated culture a month later showed normalization of the microflora.
When should you take the test?
After a long course of antibiotics
If there is chronic fatigue without an identified cause
With frequent infections of the skin, mucous membranes or genitourinary system
In case of unexplained allergies or intestinal transit problems
If a gluten/sugar-free diet provides significant relief
Nowadays, a test for intestinal candidiasis is a simple but effective tool that can help restore your quality of life. If you have symptoms that seem «blurred» or chronic, this is one of the first steps towards understanding the true causes of the disorders.
