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Candidiasis Blood Test

What is Candidiasis?

Candidiasis is a fungal infection that affects various parts of the body including the mouth, throat, vagina, and bloodstream. It is caused by Candida albicans, a yeast that naturally lives in the body but can overgrow and cause infection. The Candida albicans Ab (IgG, IgA, IgM) test is the most important test for diagnosing chronic or recurrent candidiasis because it measures your immune response to the infection.

RECOMMENDED TEST Candida albicans Ab (IgG, IgA, IgM)
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What causes candidiasis?

Candidiasis is caused by an overgrowth of Candida albicans, a type of yeast that naturally lives in your body. Normally, your immune system and beneficial bacteria keep Candida levels in check, but certain factors can disrupt this balance and allow the yeast to multiply excessively. Common triggers include antibiotic use (which kills good bacteria), weakened immune system, diabetes, hormonal changes during pregnancy, high-sugar diets, and prolonged use of corticosteroids. When Candida overgrows, it can cause infections in your mouth (thrush), vagina (yeast infection), skin folds, or in severe cases, enter your bloodstream and become a systemic infection.

What is the best test for candidiasis?

The Candida albicans Ab (IgG, IgA, IgM) test is the most important blood test for candidiasis because it detects three different types of antibodies your immune system produces in response to Candida infection. IgM antibodies indicate a recent or active infection, IgA antibodies suggest mucosal surface infections (like in the mouth or gut), and IgG antibodies reveal chronic or recurrent infections that your body has been fighting over time. This comprehensive antibody panel is particularly valuable for identifying hidden or systemic Candida infections that may not be obvious through physical examination alone, helping your healthcare provider understand both the duration and severity of your Candida exposure.

When should I get tested for candidiasis?

You should get tested if you experience recurrent yeast infections, persistent digestive issues like bloating and gas, unexplained fatigue or brain fog, white coating on your tongue, or vaginal itching and discharge that keeps coming back despite treatment. Testing is especially important if you have a weakened immune system, diabetes, or have recently taken long courses of antibiotics. Getting tested helps identify whether you have a chronic Candida problem that requires more comprehensive treatment rather than just addressing surface symptoms with over-the-counter antifungal creams.

What are the symptoms of candidiasis?
Candidiasis symptoms vary depending on where the infection occurs in your body. Oral thrush causes white patches on your tongue and inner cheeks, soreness, and difficulty swallowing. Vaginal yeast infections produce thick white discharge, intense itching, burning during urination, and redness. Skin infections appear as red, itchy rashes in warm, moist areas like under breasts or in skin folds. Systemic candidiasis, which affects your bloodstream, causes fever, chills, and fatigue that do not improve with antibiotics. Many people with chronic Candida overgrowth also experience digestive problems, brain fog, joint pain, and recurring infections.
Who is at risk for candidiasis?
People with weakened immune systems are at highest risk, including those with HIV/AIDS, cancer patients undergoing chemotherapy, and organ transplant recipients taking immunosuppressive drugs. Diabetics are also highly susceptible because elevated blood sugar levels create an ideal environment for yeast growth. Women who are pregnant, taking birth control pills, or on hormone replacement therapy face increased risk due to hormonal changes. Additionally, anyone taking antibiotics frequently, using corticosteroids, or consuming a high-sugar diet is more vulnerable to Candida overgrowth. People who wear dentures, have dry mouth, or are hospitalized with intravenous catheters also have elevated risk.
What happens if candidiasis is left untreated?
Untreated candidiasis can progress from a localized nuisance to a serious health threat. Superficial infections like thrush or vaginal yeast infections can become chronic and increasingly difficult to treat, causing persistent discomfort and potentially spreading to other areas. In people with compromised immune systems, Candida can enter the bloodstream and cause invasive candidiasis, a life-threatening condition that affects vital organs including the heart, brain, eyes, and kidneys. Chronic Candida overgrowth may also lead to intestinal permeability (leaky gut), systemic inflammation, and increased susceptibility to other infections. Early detection and treatment prevent these complications and improve your quality of life.
Can candidiasis be diagnosed with a blood test?
Yes, candidiasis can be diagnosed with a blood test that measures antibodies your immune system produces against Candida albicans. The Candida antibody test detects IgG, IgA, and IgM antibodies, which indicate different stages and types of Candida infection. While superficial infections like oral thrush or vaginal yeast infections are often diagnosed through physical examination and direct swab tests, blood tests are particularly valuable for identifying chronic, recurrent, or systemic Candida infections that may not be visible externally. Blood testing provides insight into your immune response and helps determine whether you have ongoing Candida issues that require comprehensive treatment beyond topical antifungal medications.
How is candidiasis treated?
Candidiasis treatment depends on the location and severity of the infection. Superficial infections are typically treated with antifungal medications such as fluconazole (oral pill), nystatin (liquid or cream), or clotrimazole (topical cream). Vaginal yeast infections often respond to over-the-counter antifungal suppositories or prescription oral medications. Systemic or recurrent candidiasis requires longer courses of antifungal drugs, sometimes lasting several weeks. Your doctor may also recommend probiotics to restore healthy bacteria balance, dietary changes to reduce sugar intake that feeds yeast, and addressing underlying conditions like diabetes or immune deficiency. Successful treatment combines medication with lifestyle modifications to prevent recurrence.
How can I prevent candidiasis?
Preventing candidiasis involves maintaining a healthy balance of microorganisms in your body. Limit sugar and refined carbohydrates in your diet, as yeast thrives on sugar. Take probiotics regularly, especially when taking antibiotics, to maintain beneficial bacteria that keep Candida in check. Keep your skin dry, especially in warm, moist areas like skin folds, and wear breathable cotton underwear. Manage chronic conditions like diabetes by keeping blood sugar levels well-controlled. Avoid unnecessary antibiotic use and prolonged corticosteroid treatment when possible. Practice good oral hygiene if you wear dentures, and maintain a strong immune system through adequate sleep, stress management, and balanced nutrition.
What natural remedies help with candidiasis?
Several natural approaches can support conventional treatment for candidiasis. Probiotics containing Lactobacillus and Bifidobacterium strains help restore beneficial bacteria that compete with Candida for resources. Garlic has natural antifungal properties due to its allicin content. Coconut oil contains caprylic acid, which disrupts Candida cell membranes. Apple cider vinegar may help restore pH balance when diluted properly. Tea tree oil has antifungal effects when used topically for skin or vaginal infections. Following an anti-Candida diet that eliminates sugar, alcohol, and refined carbs while emphasizing vegetables, lean proteins, and healthy fats can help starve the yeast. However, natural remedies should complement, not replace, medical treatment, especially for severe or systemic infections.
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Candida albicans Ab (IgG, IgA, IgM)
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Fast & easy, results by email & SMS
No need to visit a doctor
Private & confidential
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No extra fees paid at the lab

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