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  • With Mayo Clinic obstetrician and medical editor-in-chief

    Roger W. Harms, M.D.

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Question

Yeast infection during pregnancy: Are over-the-counter treatments OK?

What's the best way to treat a yeast infection during pregnancy?

Answer

from Roger W. Harms, M.D.

You can safely treat a yeast infection during pregnancy with various over-the-counter antifungal creams or suppositories, including:

  • Miconazole (Monistat)
  • Clotrimazole (Gyne-Lotrimin)

These products can be used at any point during pregnancy and don't pose a risk of birth defects or other pregnancy complications. For best results, choose a seven-day formula. Home remedies or natural treatments generally aren't recommended.

Yeast infections, a type of vaginitis, occur when certain internal or external factors change the normal environment of the vagina and trigger an overgrowth of a microscopic fungus — often C. albicans. Yeast infections are especially common during pregnancy due to hormonal changes. Signs and symptoms of a yeast infection typically include vaginal itching and a white, thick discharge that resembles cottage cheese.

If you haven't been previously diagnosed with a yeast infection and develop symptoms for the first time during pregnancy, consult your health care provider before using an over-the-counter yeast infection treatment. It's possible to mistake a yeast infection for other types of vaginitis or other conditions that need different treatment.

Next question
Sex during vaginal infection: Is it harmful?
References
  1. Soong D, et al. Vaginal yeast infections during pregnancy. Canadian Family Physician. 2009;55:255.
  2. Briggs GG, et al. Drugs in Pregnancy and Lactation: A Reference Guide to Fetal and Neonatal Risk. 8th ed. Philadelphia, Pa.: Lippincott Williams & Wilkins; 2005.
  3. Vaginitis: Causes and treatments. American Congress of Obstetricians and Gynecologists. http://www.acog.org/publications/patient_education/bp028.cfm. Accessed Feb. 23, 2010.
  4. Vaginal discharge: Sexually transmitted diseases treatment guidelines 2006. Centers for Disease Control and Prevention. http://www.cdc.gov/std/treatment/2006/vaginal-discharge.htm. Accessed Feb. 25, 2010.
  5. Eckert LO, et al. Infections of the lower genital tract: Vulva, vagina, cervix, toxic shock syndrome, HIV infections. In: Katz VL, et al. Comprehensive Gynecology. 5th ed. Philadelphia, Pa.: Mosby Elsevier; 2007. http://www.mdconsult.com/das/book/body/115153683-6/787438538/1524/148.html#4-u1.0-B978-0-323-02951-3..50025-X--cesec14_766. Accessed Feb. 25, 2010.
  6. Gallenberg MM (expert opinion). Mayo Clinic, Rochester, Minn. March 3, 2010.
AN02076 June 3, 2010

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