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    Vaginal yeast infection

    Yeast infection - vagina; Vaginal candidiasis; Monilial vaginitis

    Vaginal yeast infection is an infection of the vagina, most commonly due to the fungus Candida albicans.

    Causes

    Most women have a vaginal yeast infection at some time. Candida albicans is a common type of fungus. It is often found in small amounts in the vagina, mouth, digestive tract, and on the skin. Usually it does not cause disease or symptoms.

    Candida and the many other germs that normally live in the vagina keep each other in balance. However, sometimes the number of Candida albicans increases, leading to a yeast infection.

    This can happen if you are:

    • Taking antibiotics used to treat other types of infections. Antibiotics change the normal balance between germs in the vagina by decreasing the number of protective bacteria.
    • Pregnant
    • Obese
    • Have diabetes

    A yeast infection is not a sexually transmitted illness. However, some men will develop symptoms such as itching and a rash on the penis after having sexual contact with an infected partner.

    Having many vaginal yeast infections may be a sign of other health problems. Other vaginal infections and discharges can be mistaken for a vaginal yeast infection.

    Symptoms

    • Abnormal vaginal discharge
      • Ranges from a slightly watery, white discharge to a thick, white, chunky discharge (like cottage cheese)
    • Pain with intercourse
    • Painful urination
    • Redness and swelling of the vulva
    • Vaginal and labial itching, burning

    Exams and Tests

    A pelvic examination will be done. It may show swelling and redness of the skin of the vulva, in the vagina, and on the cervix. The health care provider may find dry, white spots on the vaginal wall. There may be cracks in the skin of the vulva.

    A small amount of the vaginal discharge is examined using a microscope. This is called a wet mount and KOH test).

    Sometimes, a culture is taken when the infection does not improve with treatment or comes back many times.

    Your health care provider may order other tests to rule out other causes of your symptoms.

    Treatment

    Medications to treat vaginal yeast infections are available in either creams or suppositories. Most can be bought without a prescription.

    Treating yourself at home is probably okay if:

    • Your symptoms are mild and you do not have pelvic pain or a fever
    • This is not your first yeast infection and you have not had many yeast infections in the past
    • You are not pregnant
    • You are not worried about other sexually transmitted diseases from recent sexual contact

    Medications you can buy yourself to treat a vaginal yeast infection are:

    • Miconazole
    • Clotrimazole
    • Tioconazole
    • Butoconazole

    Read the packages carefully and use them as directed. Do not stop using these medications early because your symptoms are better. You will need to take the medicine for 3 - 7-days, depending on which medicine you buy. If you do not get get repeated infections, a 1-day medicine might work for you.

    You doctor can also prescribe a medicine called fluconazole. This medicine is a pill that you only take once.

    If your symptoms are more severe or you have repeat vaginal yeast infections, you may need:

    • Medicine for up to 14 days
    • Clotrimazole vaginal suppository or fluconazole pill every week to prevent new infections

    To help prevent and treat vaginal discharge:

    • Keep your genital area clean and dry. Avoid soap and rinse with water only. Sitting in a warm, but not hot, bath may help your symptoms.
    • Avoid douching. Although many women feel cleaner if they douche after menstruation or intercourse, it may actually worsen vaginal discharge because it removes healthy bacteria lining the vagina that protect against infection.
    • Eat yogurt with live cultures or take Lactobacillus acidophilus tablets when you are on antibiotics to prevent a yeast infection.
    • Use condoms to avoid catching or spreading sexually transmitted infection (STI).
    • Avoid using feminine hygiene sprays, fragrances, or powders in the genital area.
    • Avoid wearing extremely tight-fitting pants or shorts, which may cause irritation.
    • Wear cotton underwear or cotton-crotch pantyhose. Avoid underwear made of silk or nylon, because these materials are not very absorbant and restrict air flow. This can increase sweating in the genital area, which can cause irritation.
    • Use pads and not tampons.
    • Keep your blood sugar levels under good control if you have diabetes.

    Outlook (Prognosis)

    The symptoms usually disappear completely with adequate treatment.

    Possible Complications

    Chronic or recurrent infections may occur if you do not get the proper treatment or have an underlying medical condition. It is important for your doctor to check you for diseases that can lead to yeast infections, such as diabetes.

    Secondary infection may occur. A lot of scratching may cause the area to crack, making you more likely to get an infection.

    Repeat infections that occur immediately after treatment, or a yeast infection that does not respond to any treatment, may be an early sign of HIV.

    When to Contact a Medical Professional

    Call your health care provider if:

    • This is the first time that you have had symptoms of a vaginal yeast infection
    • You are not sure if you have a yeast infection
    • Your symptoms don't go away after using over-the-counter medicines
    • Your symptoms get worse
    • You develop other symptoms

    Prevention

    Avoid persistent and excessive moisture in the genital area by wearing underwear or pantyhose with cotton crotches, and loose-fitting slacks. Avoid wearing wet bathing suits or exercise clothing for long periods of time, and wash them after each use.

    References

    Biggs WS, Williams RM. Common gynecologic infections. Prim Care. 2009 Mar;36(1):33-51,

    Habif TP. Superficial fungal infections. In: Habif TP, ed. Clinical Dermatology. 5th ed. St. Louis, Mo: Mosby Elsevier; 2009:chap 13.

    Eckert LO, Lentz GM. Infections of the lower genital tract: vulva, vagina, cervix, toxic shock syndrome, HIV infections. In: Katz VL, Lentz GM, Lobo RA, Gershenson DM, eds. Comprehensive Gynecology. 5th ed. Philadelphia, PA: Mosby Elsevier; 2007:chap 22.

    Merritt DF. Vulvovaginitis. In: Kliegman RM, Behrman RE, Jenson HB, Stanton BF, eds. Nelson Textbook of Pediatrics. 19th ed. Philadelphia, Pa: Saunders Elsevier; 2011:chap 543.

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      A Closer Look

        Talking to your MD

          Self Care

          Tests for Vaginal yeast infection

            Review Date: 11/7/2011

            Reviewed By: Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine; Susan Storck, MD, FACOG, Chief, Eastside Department of Obstetrics and Gynecology, Group Health Cooperative of Puget Sound, Bellevue, Washington; Clinical Teaching Faculty, Department of Obstetrics and Gynecology, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

            The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
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            St. Luke's Hospital - 232 South Woods Mill Road - Chesterfield, MO 63017 Main Number: 314-434-1500 Emergency Dept: 314-205-6990 Patient Billing: 888-924-9200
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