Yeast Infection Blood Work and Lab Tests

What is Yeast Infection?

Yeast infection is a fungal infection caused by an overgrowth of Candida species, most commonly Candida albicans, affecting areas like the vagina, mouth, skin, or urinary tract. It develops when the normal balance of bacteria and yeast in the body is disrupted by factors like antibiotics, hormonal changes, or weakened immunity. The Urinalysis, Complete Profile is the most important test for diagnosing yeast infections affecting the urinary tract, as it can detect yeast organisms in urine.

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What causes yeast infections?

Yeast infections are caused by an overgrowth of Candida albicans and other Candida species that naturally live in the body. The infection develops when your body's normal balance is disrupted by antibiotics killing helpful bacteria, hormonal changes during pregnancy or menstruation, high blood sugar from diabetes, or a weakened immune system. Other triggers include wearing tight, non-breathable clothing, using scented hygiene products, or having prolonged moisture in affected areas.

What is the best test for yeast infections?

The Urinalysis, Complete Profile is the most important test for yeast infections when they affect the urinary tract. This comprehensive test detects yeast organisms in urine that indicate infection has spread beyond typical areas like the vagina or skin. The test identifies yeast cells through microscopic examination and provides valuable information about urinary health and complications. While most vaginal yeast infections are diagnosed through physical examination and symptom assessment, urinalysis becomes essential when you experience urinary symptoms alongside typical yeast infection signs.

When should I get tested for a yeast infection?

You should get tested if you experience burning or pain during urination along with typical yeast infection symptoms like itching or unusual discharge. Testing is also important if you have recurrent infections that keep coming back despite treatment, or if you have diabetes or a weakened immune system that puts you at higher risk. Get urinalysis testing when symptoms suggest the infection may have spread to your urinary tract, or when your healthcare provider needs confirmation before starting treatment.

What are the symptoms of yeast infections?
Yeast infection symptoms vary by location but commonly include intense itching and irritation in affected areas. Vaginal yeast infections cause thick, white, cottage cheese-like discharge, redness, swelling, and burning during urination or sex. Oral yeast infections create white patches in the mouth, soreness, and difficulty swallowing. Skin yeast infections produce red, itchy rashes in body folds. When yeast affects the urinary tract, you might notice frequent urination, burning sensations, and cloudy urine.
Who is at risk for yeast infections?
Women are at highest risk, especially during pregnancy or while taking birth control pills due to hormonal changes. People with diabetes or poorly controlled blood sugar create an environment where yeast thrives. Those taking antibiotics or corticosteroids, undergoing chemotherapy, or with weakened immune systems from HIV or other conditions face increased risk. Other risk factors include wearing tight synthetic clothing, using douches or scented feminine products, having a diet high in sugar, or experiencing high stress levels.
What happens if yeast infections are left untreated?
Untreated yeast infections can spread to other body areas and become more severe and difficult to treat. The infection may enter the bloodstream in people with weakened immune systems, causing serious systemic candidiasis that affects organs. Chronic, recurring infections can develop when the initial infection is not properly eliminated, leading to ongoing discomfort and complications. In rare cases, untreated urinary tract yeast infections can spread to the kidneys, and pregnant women with untreated vaginal yeast infections risk passing the infection to their baby during delivery.
Can yeast infections be diagnosed with blood tests or urinalysis?
Blood tests do not directly diagnose most common yeast infections like vaginal or skin infections, which are typically confirmed through physical examination and symptom assessment. However, the Urinalysis, Complete Profile can detect yeast organisms in urine when the infection affects the urinary tract. Blood tests become important for detecting invasive candidiasis when yeast enters the bloodstream in immunocompromised patients. For most people, urinalysis is the most valuable lab test for confirming yeast presence when urinary symptoms accompany typical yeast infection signs.
How are yeast infections treated?
Yeast infections are treated with antifungal medications available as creams, ointments, suppositories, or oral tablets. Vaginal infections typically respond to over-the-counter treatments like miconazole or clotrimazole applied for 3-7 days, or prescription oral fluconazole as a single dose. Oral thrush requires antifungal lozenges or oral suspension. Skin infections need topical antifungal creams applied to affected areas. Severe or recurrent infections may require longer treatment courses or stronger prescription medications. Always complete the full treatment course even if symptoms improve earlier.
How can I prevent yeast infections?
Prevent yeast infections by keeping affected areas clean and dry, wearing breathable cotton underwear, and avoiding tight-fitting synthetic clothing. Do not use douches, scented soaps, or feminine hygiene sprays that disrupt natural bacterial balance. Change out of wet swimsuits and workout clothes promptly. Manage blood sugar levels if you have diabetes, and eat yogurt with live cultures or take probiotics to maintain healthy bacteria. Limit sugar intake in your diet, and discuss alternatives with your doctor if you experience frequent infections while taking antibiotics or birth control.
What natural remedies help with yeast infections?
Probiotics containing Lactobacillus acidophilus help restore healthy bacteria balance and can be taken as supplements or through yogurt with live cultures. Coconut oil has antifungal properties and can be applied topically to skin infections. Tea tree oil diluted with carrier oil may provide relief when applied externally, though never use it internally. Garlic contains allicin with natural antifungal effects. Apple cider vinegar baths can help restore pH balance for external symptoms. While these remedies may provide support, they should complement rather than replace conventional antifungal treatment, especially for moderate to severe infections.
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