Yeast infection (vaginal)

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Risk factors

By Mayo Clinic staff

Among the things that increase your risk of developing a yeast infection are:

  • Antibiotic use. Yeast infections are common in women who take antibiotics. Broad-spectrum antibiotics kill healthy bacteria in your vagina, which can lead to the overgrowth of yeast.
  • Increased estrogen levels. Yeast infections appear to occur more frequently in women with increased estrogen levels, for instance, in women who are pregnant, those taking high-dose estrogen birth control pills or those taking estrogen hormone therapy.
  • Uncontrolled diabetes. In women who have diabetes, those with poorly controlled blood sugar levels are more likely to develop yeast infections than are women who have diabetes under control.
  • Impaired immune system. In women who are immunocompromised — such as by corticosteroid therapy or by HIV infection — yeast infections are more likely to occur.
  • Being sexually active. Although yeast infections aren't considered sexually transmitted diseases, one way the candida organism can be introduced into your vagina is through sexual contact.
References
  1. Frequently asked questions: Vaginal yeast infections. National Women's Health Information Center. http://womenshealth.gov/faq/vaginal-yeast-infections.cfm. Accessed April 21, 2010.
  2. Vaginitis. American College of Obstetricians and Gynecologists. http://www.acog.org/publications/patient_education/bp028.cfm. Accessed April 21, 2010.
  3. ACOG Committee on Practice Bulletins — Gynecology. Vaginitis. Obstetrics and Gynecology. 2006;107:1195.
  4. Hemsell DL. Gynecologic infections. In: Schorge JO, et al. Williams Gynecology. New York, N.Y.: McGraw-Hill Medical; 2008. http://www.accessmedicine.com/content.aspx?aid=3149718. Accessed April 21, 2010.
  5. McCormack WM. Vulvovaginitis and cervicitis. In: Mandell GL, et al. Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases. 7th ed. Philadelphia, Pa.: Churchill Livingstone Elsevier; 2010. http://www.mdconsult.com/book/player/linkTo?type=bookPage&isbn=978-0-443-06839-3&eid=4-u1.0-B978-0-443-06839-3..00107-7. Accessed April 21, 2010.
  6. Sexually transmitted diseases treatment guidelines 2006. Centers for Disease Control and Prevention. http://www.cdc.gov/std/treatment/2006/vaginal-discharge.htm. Accessed April 21, 2010.
  7. Corigliano MA, et al. Candidiasis, vulvovaginal. In: Ferri FF. Ferri's Clinical Advisor 2010: Instant Diagnosis and Treatment. Philadelphia, Pa.: Mosby Elsevier; 2010. http://www.mdconsult.com/das/book/body/198374960-2/0/2088/112.html?tocnode=58125592&fromURL=112.html#4-u1.0-B978-0-323-05609-0..00012-5--sc0010_2218. Accessed April 21, 2010.
  8. Sobel JD. Candida vulvovaginitis. http://www.uptodate.com/home/index.html. Accessed April 21, 2010.
  9. Nyirjesy P. Vulvovaginal candidiasis and bacterial vaginosis. Infectious Disease Clinics of North America. 2008;22:637.
  10. Falagas ME, et al. Probiotics for prevention of recurrent vulvovaginal candidiasis: A review. Journal of Antimicrobial Chemotherapy. 2006;58:266.
DS01182 May 18, 2010

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