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Managing common vulvar skin conditions
Proper diagnosis, treatment vital to get relief from vulvar itching and other irritating conditions
The vulva is subject to a range of skin problems, many of them inadvertently self-inflicted.
You may routinely pamper your face and work hard to keep it moisturized and irritation-free, but what have you done lately for the more sensitive skin of your vulva, the external genital area surrounding your vagina?
Many women have been primed to think no further than "itch equals yeast infection." But with age and the decline in estrogen after menopause, women become more prone to a variety of conditions that irritate vulvar skin. These conditions aren't getting the medical attention they need — and women aren't getting the relief they deserve.
Anatomy of the vulva
The vulva (Latin for womb or covering) consists of several layers that cover and protect the sexual organs and urinary opening. The fleshy outer lips of the vulva — the labia majora — are covered with pubic hair and contain fat that helps cushion the area. Inside the labia majora are the thinner, more pigmented and delicate flaps of skin called the labia minora. The labia minora join at the top to enclose the clitoris. The labia majora, labia minora, and clitoris are made up of erectile tissue, that is, tissue that can become engorged with blood. The area between the labia minora, the vestibule, contains the openings to the urethra and the vagina, as well as the Bartholin's glands, which are located on either side of the vaginal opening and produce lubricant for the vestibule. The flesh between the vaginal opening and the anus (not part of the vulva but often involved in vulvar skin problems) is the perineum. This is where the incision called an episiotomy is sometimes made during childbirth.
Getting a diagnosis for vulva skin conditions
Getting a diagnosis for vulva skin conditions
Vulvar skin conditions are highly treatable, but the treatment depends on the specific cause. And identifying the underlying diagnosis can be very challenging.
Tell your clinician about any other past or present medical conditions (including bladder and bowel issues) and any skin problems elsewhere on your body. For example, psoriasis anywhere on the body raises the risk of a vulvar condition known as lichen sclerosus. (This condition and others are described, below, in "Vulvar conditions and their treatment.") Crohn's disease, a chronic inflammatory intestinal disease, may cause abscesses or draining fistulas in the vulvar area, and vulvar skin problems are often one of its early symptoms. A mouth condition called lichen planus is another cause of vulvovaginal problems. (The term "lichen," as applied to skin disorders, refers fancifully to skin lesions that resemble lichen on rocks.) Long-term treatment with oral steroids, immune suppressants, or antibiotics can affect vulvar skin and raise the risk infection.
Your clinician will want to know how you care for your vulvar skin, which can help identify possible sources of irritation. Even if you can't pinpoint a change, that doesn't mean your standard routine isn't the culprit. Sometimes vulvar problems are the cumulative effect of long-term practices.
It's often what you've done day after day, year after year, that causes the problem. If you wear abrasive clothing and engage in abrasive activities like bicycling or spinning class and wear tight workout clothes that expose your vulva to sweat or to detergent or soap residue, eventually it might catch up with you.
Report all the symptoms that concern you, including itching, burning, soreness, discharge, bumps, and any rashes the vulva. It will also help if you can provide a history of your symptoms and recall what seems to make them better or worse. Your clinician will examine the vulva, perhaps using a magnifying glass, and insert a speculum to inspect the vagina. She or he may test the pH (acid-base balance) of the vagina and take samples of secretions to examine under the microscope or culture for yeast. Remember, even if you're seeing an experienced clinician, several visits may be needed to diagnose and improve certain vulvovaginal conditions.
The problem with self-treatment
When vaginal or vulvar itching occurs, women usually assume it's a yeast infection and treat it with an over-the-counter antifungal cream. Often this does the trick, but not always. Instead, the cause of the symptoms might be dry skin, a sexually transmitted disease or bacterial infection, a less common strain of yeast that required special medication, or irritation by and allergic reactions to common products such as soaps, creams, and lotions.
If yeast isn't the problem, an antifungal cream isn't the solution. And if your skin is already irritated, you may exacerbate the problem by introducing preservatives (such as alcohol or propylene glycol) and other ingredients contained in many antifungal remedies. That's why it's important to see your gynecologist or dermatologist if a problem persists after you've tried a standard antifungal cream.
Another common response of women faced with a vaginal discharge or itch is to wash the vulvar skin vigorously, on the assumption that this will disinfect the area or remove irritants. But aggressive cleansing can add to the irritation. Until the problem is diagnosed, it's best to follow a gentle skin care routine (see "Gentle vulvar care"). In fact, gentle cleansing applies whether you have a vulvar skin condition or not: Wash the area gently with your fingertips or a soft cloth and pat dry with a soft towel. Don't use a rough washcloth, and don't rub.
Vulvar skin conditions and their treatment
Several vulvar skin conditions are familiar from other areas of the body but may be difficult to recognize when they appear on the vulva. These include the following:
Eczema. This inflammatory skin condition disrupts the skin's surface, causing red patches and thin cracks, weeping, and crust formation. On the vulva, crusts are less likely, but eczema may initiate a cycle of vulvar itching and scratching that leads to lichen simplex chronicus — thickened and intensely itchy skin. If eczema affects an area of the vulva called the vestibule, it may cause stinging and burning. Sometimes eczema appears in early childhood and its cause is unknown. More often, it begins with exposure to an irritant or allergen (see "How irritating").
Many things can cause an allergic reaction or irritate vulvar skin. Here are some of the leading suspects:
Irritants (on exposure, can cause immediate stinging or burning)
Allergens (symptoms may not appear until several days after exposure)
Adapted from The V Book, by Elizabeth G. Stewart, M.D., and Paula Spencer (Bantam Books, 2002).
To diagnose vulvar eczema, the clinician will ask about your symptoms; your history of eczema, allergy, and related conditions; your vulvar cleansing habits; and any products the vulva has been exposed to. During the exam, she or he will look for redness, scaling, cracking, and thickening.
All eczema requires gentle skin care. In simple cases, patients use topical corticosteroid ointments twice a day for two to four weeks and then gradually reduce the frequency until the symptoms are gone. Severe cases may require a short course of a potent corticosteroid ointment.
During treatment, you must stop scratching, so your clinician may prescribe an antihistamine (usually taken at night to prevent daytime drowsiness). A cold pack can also help relieve itching.
Psoriasis. This is a common condition in which new skin cells are produced too rapidly, leading to thickened, scaly patches of inflamed and red skin on various parts of the body. On the vulva, skin surfaces are usually too moist for dry scaling, so psoriasis is more likely to appear in the form of pink patches with defined edges. It most commonly affects the labia majora. If the skin cracks open, infection may result.
You may have treated psoriasis outbreaks elsewhere on your body with remedies that may be too harsh to be used on the vulva. Your clinician may prescribe a topical steroid cream or ointment.
Gentle vulvar care
Whether you have a vulvar skin problem or are just prone to irritation, gentle care of the area is a must. Wear loose clothing. Choose cotton underwear (and go without when at home). To cleanse the area, use your fingers instead of a washcloth and an unscented, non-alkaline cleanser such as Cetaphil or Basis (plain water is also fine). Soak for five minutes in lukewarm water to remove any residue of sweat or lotions or other products. Pat dry, and apply any prescribed medication or a soothing and protective substance such as Vaseline or olive oil.
Avoid products with multiple ingredients. Even those that sound designed for vulvar care — like A&D Original Ointment, baby lotion, or Vagisil — contain chemicals that could irritate or cause contact dermatitis. In the bathroom, forgo moistened wipes. If you want moisture, use a spray bottle with plain water, and then pat dry.
Lichen planus. This skin condition, believed to result from an overactive immune system, can affect the vulva, the vagina, the inside of the mouth, and other skin surfaces. In most areas of the body, lichen planus causes itchy purple bumps sometimes streaked with white. On vulvar skin, the most common symptoms are soreness, burning, and rawness. The vulva may appear pale or pink, sometimes with a white lacy pattern. If the vulvar skin breaks down, the eroded areas appear moist and red. Lichen planus often affects the vagina as well, causing a sticky yellow discharge and erosions that can make intercourse painful. Eventually, lichen planus can affect underlying as well as surface tissues and produce scarring that alters the vulva's shape, sometimes leading to the virtual disappearance of the labia minora.
Lichen planus is diagnosed by its appearance (although it can be difficult to distinguish from atrophy caused by a lack of estrogen or the excessive use of steroids), and the diagnosis is confirmed with a biopsy. The condition may start as a reaction to certain medications, so be sure to tell your clinician about any drugs you take.
The most common initial treatment is high-potency topical steroid medication. Unfortunately, lichen planus is persistent and likely to require long-term maintenance treatment.
Lichen sclerosus. Although it can occur elsewhere on the body, this inflammatory skin disorder usually affects the vulvar or anal area in postmenopausal women. By some estimates, one in 30 older women has lichen sclerosus; it's especially common in women with psoriasis. Itching is usually the first symptom, and it may become severe enough to disrupt sleep and other activities. During an examination, the clinician may notice white (sometimes crinkly or shiny) patches. Some may contain tears or red areas from bleeding (often the result of scratching) and these areas may be painful and sting. As the disease progresses, there's a danger that vulvar tissues will scar and shrink.
Lichen sclerosus is diagnosed by its appearance and sometimes by biopsies. No matter how mild the symptoms, it should be treated to prevent progression. The usual treatment is application of a high potency corticosteroid ointment for several weeks, then slowly tapering the dose.
Women also need regular examinations after treatment for lichen sclerosus because the condition can make affected skin more likely to develop skin cancer. Early treatment and prompt attention to new lesions or nonhealing sores in the area will reduce the risk further.
Some women with vulvar skin problems may benefit from estrogen therapy (delivered vaginally via ring, tablet, or cream, or applied directly to the vulva), which can help counter atrophy and inflammation and make the vulvar skin less vulnerable to irritation.
Image: michaeljung/Getty Images
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