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# Miconazole Vaginal Pessary
## Overview
Miconazole is an imidazole antifungal agent. The vaginal pessary formulation is used for the treatment of vulvovaginal candidiasis (yeast infection).
## Primary Indications
* Treatment of vulvovaginal candidiasis (yeast infection) caused by susceptible *Candida* species.
## Adult Dosing
* **100 mg vaginal pessary:** Insert one pessary vaginally at bedtime for 7 consecutive nights.
* **200 mg vaginal pessary:** Insert one pessary vaginally at bedtime for 3 consecutive nights.
* **100 mg/5 g vaginal cream with 1 applicator (often dispensed as a 7-day regimen):** Use the applicator to insert one full applicator (approximately 5 g) of cream high into the vagina at bedtime for 7 consecutive nights.
* **2% vaginal cream with 1 applicator (often dispensed as a 3-day regimen):** Use the applicator to insert one full applicator (approximately 5 g) of cream high into the vagina at bedtime for 3 consecutive nights.
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## Pediatric Dosing
* **Children 12 years and older:** Use adult dosing.
* **Children under 12 years:** Safety and efficacy have not been established. Consult with a pediatrician or infectious disease specialist for guidance.
## Dose Adjustments
* No specific dose adjustments are typically required for renal or hepatic impairment for topical vaginal miconazole.
## Contraindications
* Hypersensitivity to miconazole or any component of the formulation.
## Adverse Effects
* **Common:** Vaginal burning, itching, irritation, or discomfort.
* **Less Common:** Lower abdominal cramps.
* **Rare:** Allergic reactions.
## Key Drug Interactions
* **CYP3A4 Inhibitors:** Miconazole is a moderate inhibitor of CYP3A4. While systemic absorption is minimal with vaginal use, caution is advised if used concurrently with potent CYP3A4 substrates that have a narrow therapeutic index (e.g., certain statins, anticoagulants, immunosuppressants), though the risk of significant interaction is generally low.
## Monitoring
* Monitor for symptom relief.
* Assess for signs of local irritation or allergic reaction.
## Clinical Pearls
* Treatment may last 3, 7, or sometimes 14 days depending on the product strength and formulation.
* Complete the full course of treatment, even if symptoms improve sooner.
* Avoid sexual intercourse during treatment.
* Partners may require treatment if they have symptoms.
* If symptoms do not improve after the full course, or if they worsen, consult a healthcare provider.
* Certain latex products (condoms, diaphragms) may be damaged by miconazole vaginal products, reducing their effectiveness.
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*Disclaimer: This information is intended for healthcare professionals. It is essential to consult the most current prescribing information and relevant clinical guidelines before making any treatment decisions.*
