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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 (yeast infections). ## Primary Indications * Treatment of vulvovaginal candidiasis. ## Adult Dosing * **100 mg vaginal pessary:** Insert one pessary vaginally at bedtime for 7 consecutive days. * **200 mg vaginal pessary:** Insert one pessary vaginally at bedtime for 3 consecutive days. * **High-strength (e.g., 1200 mg) vaginal suppository:** Insert one suppository vaginally at bedtime as a single dose. Follow the specific instructions provided with the product. ## Pediatric Dosing Safety and efficacy in pediatric patients have not been established for the vaginal pessary formulation. Use in pediatric patients should be based on clinical judgment and physician guidance. ## Dose Adjustments No dose adjustments are typically required for renal or hepatic impairment with vaginal administration. ## Contraindications * Hypersensitivity to miconazole or any component of the formulation. ## Adverse Effects * **Common:** Vaginal burning, itching, irritation, and discharge. Pelvic cramps may also occur. * **Less Common:** Headache, rash. ## Key Drug Interactions * **Warfarin:** Miconazole can inhibit CYP3A4 enzymes, potentially increasing the INR and risk of bleeding when used concurrently with warfarin. Close monitoring of INR is essential. Some sources recommend avoiding concurrent use if possible, especially with higher-strength oral or prolonged vaginal miconazole therapy. ## Monitoring * Monitor for signs and symptoms of vulvovaginal candidiasis. * Monitor for local adverse effects (e.g., irritation, burning). * If co-administering with warfarin, monitor INR closely. ## Clinical Pearls * Treatment duration varies by product strength. Complete the full course of therapy even if symptoms improve. * Avoid intercourse during treatment, as it may reduce efficacy and potentially transmit the infection to a partner. * The pessary may weaken latex condoms and diaphragms, reducing their effectiveness. *** **Disclaimer:** This information is intended for healthcare professionals. Always consult the official prescribing information and institutional protocols for complete details and to verify current recommendations before making any clinical decisions.