Symptoms and Treatment Options for Acute Vaginitis

Acute vaginitis refers to sudden-onset inflammation of the vaginal mucosa, commonly caused by infections—such as bacterial vaginosis, vulvovaginal candidiasis, or trichomoniasis—as well as non-infectious triggers like chemical irritants, allergic reactions, or hormonal fluctuations. Clinical presentation typically includes pruritus (intense itching), vaginal burning or soreness, dyspareunia (pain during intercourse), and abnormal discharge that may vary in color, consistency, and odor depending on the underlying etiology—for example, thin grayish-white discharge with a fishy odor in bacterial vaginosis, thick white curd-like discharge in candidiasis, or frothy yellow-green discharge with a foul smell in trichomoniasis.

Accurate diagnosis requires a thorough clinical evaluation, including pelvic examination and laboratory assessment—such as wet mount microscopy, pH testing, potassium hydroxide (KOH) preparation, and, when indicated, nucleic acid amplification tests (NAATs) for *Trichomonas vaginalis* or culture for resistant fungal strains. Self-diagnosis and over-the-counter treatment without confirmation are discouraged, given the significant overlap in symptoms among different causes and the risk of masking or worsening underlying conditions.

Management is etiology-specific: bacterial vaginosis is typically treated with oral metronidazole or intravaginal clindamycin; uncomplicated vulvovaginal candidiasis responds well to topical azoles (e.g., clotrimazole, miconazole) or a single oral dose of fluconazole; and trichomoniasis requires systemic therapy with metronidazole or tinidazole—both partners must be treated to prevent reinfection. Adjunctive measures include avoiding douching, scented hygiene products, and tight synthetic undergarments; wearing cotton underwear and practicing good perineal hygiene; and addressing modifiable risk factors such as uncontrolled diabetes or recent antibiotic use.

In cases of recurrent or persistent symptoms despite appropriate therapy, further investigation is warranted—including evaluation for resistant organisms, concurrent sexually transmitted infections, lichen sclerosus, or desquamative inflammatory vaginitis—to guide targeted intervention and optimize long-term outcomes.