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## Miconazole Vaginal Pessary ### Overview Miconazole is an imidazole antifungal agent. The vaginal pessary formulation is used for the topical treatment of vulvovaginal candidiasis. ### Primary Indications Vulvovaginal candidiasis (yeast infection). ### Adult Dosing * **Single dose:** Insert one 200 mg vaginal pessary intravaginally at bedtime. * **Three-day regimen:** Insert one 100 mg vaginal pessary intravaginally at bedtime for 3 consecutive nights. * **Seven-day regimen:** Insert one 100 mg vaginal pessary intravaginally at bedtime for 7 consecutive nights. The choice of regimen may depend on product availability and prescriber preference. ### Pediatric Dosing Safety and efficacy in pediatric patients have not been established for the vaginal pessary formulation. ### Dose Adjustments No specific dose adjustments are necessary for hepatic or renal impairment. ### Contraindications * Hypersensitivity to miconazole or any component of the formulation. ### Adverse Effects * **Common:** Vulvovaginal burning, itching, irritation. * **Less Common:** Pelvic pain, rash. ### Key Drug Interactions * **CYP3A4 Inhibitors:** Miconazole is a moderate inhibitor of CYP3A4. Systemic absorption from vaginal administration is generally low, but caution is advised with co-administration of other drugs metabolized by CYP3A4, especially those with a narrow therapeutic index (e.g., warfarin, some immunosuppressants). ### Monitoring * Monitor for symptom improvement. * Assess for signs of local irritation or allergic reaction. ### Clinical Pearls * The pessary should be inserted as high as possible into the vagina. * Treatment may be continued during menstruation. * Complete the full course of treatment even if symptoms improve sooner. * Use tampons, douches, and other vaginal products with caution during treatment as they may affect the pessary's efficacy. * Partners may require treatment if symptomatic. *** **Disclaimer:** This information is intended for clinical use and does not replace professional medical advice. Always consult the most current prescribing information and relevant clinical guidelines before making any treatment decisions.