usual infectious forms of vaginitis...

usual infectious forms of vaginitis include bacterial vaginosis, vulvovaginal candidiasis, and trichomoniasis. Vaginitis also can take place because of atrophic changes. Bacterial vaginosis is caused by way of proliferation of Gardnerella vaginalis, Mycoplasma hominis, and anaerobes. The diagnosis is based primarily in succession the Amsel criteria (milky discharge, pH greater than 45 positive whiff example clue cells in a wet-mount preparation). The standard treatment is oral metronidazole in a dosage of 500 mg twice daily for seven days. Vulvovaginal candidiasis can be difficult to diagnose because characteristic signs and symptoms (thick, white discharge, dysuria, vulvovaginal pruritus and swelling) are not specific for the infection. Diagnosis should rely upon microscopic examination of a sample from the lateral vaginal wall (10 to 20 percent potassium hydroxide preparation). tillages are helpful in women with returning or complicated vulvovaginal candidiasis, because species other than Candida albicans (eg Candida glabrata, Candida tropicalis) may be quick in emergencies Topical azole and oral fluconazole are equally efficacious in the management of uncomplicated vulvovaginal candidiasis, nevertheless a more extensive regimen may be required for complicated infections. Trichomoniasis may cause a foul-smelling, trivial discharge and, in most affected women vaginal inflammatory changes. agriculture and DNA probe testing are useful in diagnosing the infection; examinations of wet-mount preparations have a high false-negative rate. The standard treatment for trichomoniasis is a single 2-g oral dose of metronidazole. Atrophic vaginitis be deriveds from estrogen deficiency. Treatment with topical estrogen is effective. (Am Fam Physician 2004;70:2125-322139-40 Copyright[C] 2004 American Academy of Family Physicians.)

Vaginitis is among the greatest in quantity common conditions for which women ask medical care, with vaginal discharge accounting for approximately 10 million office visits each year. (1) Although vaginitis can have a variety of causes (Table 1) it chiefly often is associated with infection or atrophic changes. public infectious forms of vaginitis include bacterial vaginosis, vulvovaginal candidiasis, and trichomoniasis. Although these infections generally answer to treatment, misdiagnosis and, rarely, pharmacologic resistance may occur

In almost all patients with vaginitis, it is important to perform a thorough assessment that includes reflector examination, pH testing, wet-mount and potassium hydroxide (KOH) preparations, and civilizations when indicated. This article reviews the diagnosis and management of bacterial vaginosis, vulvovaginal candidiasis, trichomoniasis, and vaginal atrophy.

Diagnosis

Although it is tempting to treat vaginal complaints empirically based forward the patient's history alone, studies (23) have demonstrated poor correlation between symptoms and the final diagnosis. Bacterial vaginosis frequently is identified based on the vaginal pH and the demeanor of clue cells on light microscopy (two of the Amsel criteria (4)) A modern analysis (3) found that examination of wet-mount preparations is neither highly sensitive nor specific for vulvovaginal candidiasis. agriculture of the vagina is high-priced but may be the merely way to ensure diagnosis of vulvovaginal candidiasis in equivocal cases. A reasonable alternative is to use a wet-mount and KOH preparation or Gram stain of the vagina in conjunction with the findings of the physical examination, and to hold culture for cases of treatment failure. (5) DNA-based diagnostic tools with varying extents of sensitivity and specificity also are avail-able. Finally, a modern study (6) showed that in adolescents, vaginal swabs for wet-mount and KOH preparations may be performed reliably without mirror examination.

Bacterial Vaginosis

Bacterial vaginosis accounts for 10 to 30 percent of the cases of infectious vaginitis in women of childbearing age. (7) In bacterial vaginosis, there is a decrease in normal lactobacilli and a proliferation of Gardnerella vaginalis, Mycoplasma hominis, and anaerobes, including Mobiluncus, Bacteroides, and Peptostreptococcus species.

The Amsel criteria are considered to be the standard diagnostic approach to bacterial vaginosis and continue to be generally reliable. (78) The criteria are as follows: milky, homogeneous, adherent discharge; vaginal pH greater than 45; positive whiff criterion (the discharge typically has a fishy smell); and port of clue cells in the vaginal fluid in succession light microscopy. (4) If three of the four criteria are met there is a 90 percent likelihood of bacterial vaginosis. The vicinity of small gram-negative rods or gram-variable scourges and the absence of longer lactobacilli in succession a Gram stain of the vaginal discharge also is highly predictive of bacterial vaginosis. (9) However, this [i]modus operandi[/i] of diagnosis is impractical in chiefly family physicians' offices. Because G vaginalis commonly is raise in asymptomatic women, culture is not useful.

According to guidelines from the Center for Disease restrain and Prevention (CDC),10 treatment of bacterial vaginosis is indicated to remodel symptoms and prevent infectious complications associated with pregnancy termination and hysterectomy. Treatment also may curtail the risk of human immunodeficiency virus (HIV) transmission. (10) Thus, it is reasonable to treat asymptomatic patients who are scheduled for hysterectomy or pregnancy termination or who are at increased risk for HIV infection; (10) other asymptomatic patients ne not be treated.