Print OverviewA vaginal yeast infection is a fungal infection. It causes irritation, discharge and itching of the vagina and the vulva. Vaginal yeast infection also is called vaginal candidiasis. Vaginal yeast infection affects most people assigned female at birth at some point in life. Many have at least two infections. People who don't have sex can get a vaginal yeast infection. So it isn't though of as a sexually transmitted infection. But you can get vaginal yeast infections through sex. There's a higher risk of vaginal yeast infection when you start having sex. And some vaginal yeast infections may be linked to sexual contact between the mouth and genital area, called oral-genital sex. Medicines can treat vaginal yeast infections. Yeast infections that happen four times or more a year may need a longer treatment course and a plan to prevent them.Products & ServicesA Book: Mayo Clinic Guide to Home RemediesAssortment Women's Health Products from Mayo Clinic StoreShow more products from Mayo Clinic Request an appointment There is a problem with information submitted for this request. Review/update the information highlighted below and resubmit the form. Women’s health topics - straight to your inbox Get the latest information from our Mayo Clinic experts on women’s health topics, serious and complex conditions, wellness and more. Click to view a preview and subscribe below. Email Address 1 ErrorEmail field is required ErrorInclude a valid email address Learn more about Mayo Clinic’s use of data. We use the data you provide to deliver you the content you requested. To provide you with the most relevant and helpful information, we may combine your email and website data with other information we have about you. If you are a Mayo Clinic patient, we will only use your protected health information as outlined in our Notice of Privacy Practices. You may opt out of email communications at any time by clicking on the unsubscribe link in the email. Subscribe Thank you for subscribing! You'll soon start receiving the latest Mayo Clinic health information you requested in your inbox. Sorry something went wrong with your subscription Please, try again in a couple of minutes Retry CausesThe fungus Candida albicans causes most vaginal yeast infections. Most often, the vagina has a balance of yeast, including candida, and bacteria. Certain bacteria called lactobacillus work to prevent too much yeast. But some factors can affect the balance. Too much candida or the fungus growing deeper into vaginal cells causes symptoms of a yeast infection. Too much yeast can result from: Antibiotic use. Pregnancy. Diabetes that isn't well-managed. A weakened immune system. Use of birth control pills or hormone therapy that raises levels of the hormone estrogen. Candida albicans is the most common type of fungus to cause yeast infections. When other types of candida fungus cause yeast infections, they can be harder to treat. Risk factorsFactors that raise the risk of getting a yeast infection include: Antibiotic use. Yeast infections are common in people who take antibiotics. Broad-spectrum antibiotics kill a range of bacteria. They also kill healthy bacteria in the vagina. This can lead to too much yeast. Raised estrogen levels. Yeast infections are more common in people with higher estrogen levels. Pregnancy, birth control pills and hormone therapy can raise estrogen levels. Diabetes that isn't well-managed. People with poorly managed blood sugar are at greater risk of yeast infections than are people with well-managed blood sugar. Weakened immune system. People with lowered immunity are more likely to get yeast infections. Lower immunity might be from corticosteroid therapy or HIV infection or other diseases that suppress the immune system. PreventionTo lower your risk of vaginal yeast infections, wear underwear that has a cotton crotch and doesn't fit too tightly. Also, these tips might help prevent a yeast infection: Do not wear tight pantyhose, underwear or jeans. Do not douche. This removes some of the good germs in the vagina that protect from infection. Do not use scented products in the vaginal area. For instance, don't use scented bubble bath, soap, menstrual pads and tampons. Do not use hot tubs or take hot baths. Do not use antibiotics you don't need. For instance, don't take antibiotics for colds or other viral infections. Do not stay in wet clothes, such as swimsuits and workout clothes, for longer than needed. By Mayo Clinic Staff Request an appointment Diagnosis & treatment Nov. 19, 2024 Print Show references Candidiasis. Centers for Disease Control and Prevention. https://www.cdc.gov/candidiasis/about/index.html. Accessed June 28, 2024. Sobel JD, et al. Candida vulvovaginitis: Clinical manifestations and diagnosis. https://www.uptodate.com/contents/search. Accessed June 28, 2024. AskMayoExpert. Vulvovaginitis. Mayo Clinic; 2023. Gershenson DM, et al. Genital tract infections: Vulva, vagina, cervix, toxic shock syndrome, endometritis, and salpingitis. In: Comprehensive Gynecology. 8th ed. Elsevier; 2022. https://www.clinicalkey.com. Accessed June 28, 2024. Elsevier Point of Care. Clinical Overview: Candidiasis. https://www.clinicalkey.com. Accessed June 28, 2024. Vaginal yeast infections. Office on Women's Health. https://www.womenshealth.gov/a-z-topics/vaginal-yeast-infections. Accessed June 28, 2024. Satora M, et al. Treatment of vulvovaginal candidiasis — An overview of guidelines and the latest treatment methods. Journal of Clinical Medicine. 2023; doi:10.3390/jcm12165376. Sobel JD. Candida vulvovaginitis in adults: Treatment of acute infection. https://www.uptodate.com/contents/search. Accessed June 28, 2024. Related Associated Procedures Pelvic exam Products & Services A Book: Mayo Clinic Guide to Home Remedies Assortment Women's Health Products from Mayo Clinic Store Show more products and services from Mayo Clinic Yeast infection (vaginal)Symptoms&causesDiagnosis&treatmentDoctors&departments Advertisement Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission. Advertising & Sponsorship Policy Opportunities Ad Choices Mayo Clinic Press Check out these best-sellers and special offers on books and newsletters from Mayo Clinic Press. 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There is a problem with information submitted for this request. Review/update the information highlighted below and resubmit the form. Women’s health topics - straight to your inbox Get the latest information from our Mayo Clinic experts on women’s health topics, serious and complex conditions, wellness and more. Click to view a preview and subscribe below. Email Address 1 ErrorEmail field is required ErrorInclude a valid email address Learn more about Mayo Clinic’s use of data. We use the data you provide to deliver you the content you requested. To provide you with the most relevant and helpful information, we may combine your email and website data with other information we have about you. If you are a Mayo Clinic patient, we will only use your protected health information as outlined in our Notice of Privacy Practices. You may opt out of email communications at any time by clicking on the unsubscribe link in the email. Subscribe Thank you for subscribing! You'll soon start receiving the latest Mayo Clinic health information you requested in your inbox. Sorry something went wrong with your subscription Please, try again in a couple of minutes Retry