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# Miconazole Vaginal Pessary ## Overview Miconazole is an imidazole antifungal agent. Vaginal pessaries are designed for intravaginal administration. ## Primary Indications Treatment of vulvovaginal candidiasis (yeast infection). ## Adult Dosing * **100 mg vaginal pessary:** Insert one pessary vaginally once daily for 7 days. * **200 mg vaginal pessary:** Insert one pessary vaginally once daily for 3 days. * **100 mg vaginal suppository (for pessary use):** Insert one suppository vaginally at bedtime for 7 days. * **200 mg vaginal suppository (for pessary use):** Insert one suppository vaginally at bedtime for 3 days. * **Single-dose 1200 mg vaginal suppository:** Insert one suppository vaginally as a single dose. The specific duration of treatment depends on the product formulation and local protocol. ## Pediatric Dosing Dosing for pediatric patients is not well-established for miconazole vaginal pessaries. Use in pediatric patients should be guided by a healthcare provider. ## Dose Adjustments No dose adjustments are typically needed for renal or hepatic impairment due to minimal systemic absorption. ## Contraindications * Hypersensitivity to miconazole or any component of the formulation. ## Adverse Effects * **Common:** Vaginal burning, itching, irritation. * **Less Common:** Lower abdominal cramps, headache. ## Key Drug Interactions * **Warfarin:** Miconazole can inhibit CYP3A4 and CYP2C9, potentially increasing warfarin levels and the risk of bleeding. Monitor INR closely if used concurrently. ## Monitoring * Monitor for symptomatic improvement. * Monitor for adverse effects. * Monitor INR if co-administered with warfarin. ## Clinical Pearls * Avoid concurrent use with latex condoms or diaphragms, as miconazole can weaken latex. * Complete the full course of treatment, even if symptoms improve earlier. * If symptoms persist after completing treatment, re-evaluate for alternative diagnoses or resistant organisms. *** *This information is intended for healthcare professionals. Always verify current prescribing information and consult with a pharmacist or physician before making any clinical decisions.*