Yeast Infection Tests Test
A yeast test checks if you have a yeast infection, which is caused by an overgrowth of yeast fungus. The test can be done on samples from different body areas depending on your symptoms.
What this test measures
A yeast test helps find out whether you have a yeast infection. It looks for yeast fungus in samples from your skin, genitals, mouth, or other areas.
What your results mean
Reference ranges vary by laboratory and by your age and sex. MedlinePlus does not publish a single normal range for this test — always read your result against the range printed on your own lab report and discuss it with your provider.
Higher-than-normal results
A positive result means you have a yeast infection. Your provider may recommend antifungal medicine.
Frequently asked questions
What is a yeast infection?
A yeast infection is an overgrowth of yeast fungus that can cause symptoms. It is also called candidiasis, candidosis, or moniliasis.
How is a yeast test done?
There are different methods of yeast testing, depending on where you have symptoms. The test uses a sample from the affected area.
Are yeast infections serious?
For healthy people, yeast infections are rarely serious. But for people with weakened immune systems or other risk factors, they can become very serious and affect the blood, heart, brain, or other organs.
What does a positive test result mean?
If your results show you have a yeast infection, your provider may recommend a prescription or over-the-counter antifungal medicine.
How long does treatment take?
Many yeast infections get better after a few days or weeks of treatment, but some fungal infections may need treatment for several months or longer.
Related lab tests
Sources
- MedlinePlus: Yeast Infection Tests — NIH MedlinePlus
Last updated . Information is aggregated from official public sources and is not a substitute for professional medical care.