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# Miconazole Vaginal Pessary
## Overview
Miconazole is an imidazole antifungal agent. The vaginal pessary formulation is intended for local treatment of vulvovaginal candidiasis.
## Primary Indications
* Treatment of vulvovaginal candidiasis (yeast infection).
## Adult Dosing
* **100 mg vaginal pessary:** Insert one pessary vaginally at bedtime for 7 days.
* **200 mg vaginal pessary:** Insert one pessary vaginally at bedtime for 3 days.
* **100 mg vaginal suppository:** Insert one suppository vaginally at bedtime for 7 days.
* **200 mg vaginal suppository:** Insert one suppository vaginally at bedtime for 3 days.
* **1% vaginal cream:** Insert one applicatorful (approximately 5 grams) vaginally at bedtime for 7 days.
* **4% vaginal cream:** Insert one applicatorful (approximately 5 grams) vaginally at bedtime for 3 days.
*Note: The term "pessary" in the query may refer to a vaginal suppository or a specific delivery device for vaginal medication. Dosing information is provided for available vaginal formulations.*
## Pediatric Dosing
Data for pediatric use of miconazole vaginal products is limited. Consult with a pediatrician for appropriate dosing in children.
## Dose Adjustments
No specific dose adjustments are typically required for hepatic or renal impairment due to minimal systemic absorption.
## Contraindications
* Hypersensitivity to miconazole or any component of the formulation.
## Adverse Effects
* **Common:** Vaginal burning, itching, irritation, lower abdominal cramping.
* **Less Common:** Headache, rash, vulvar edema.
## Key Drug Interactions
* **CYP3A4 Inhibitors:** Miconazole is a moderate inhibitor of CYP3A4. Concomitant use with CYP3A4 substrates (e.g., certain statins, calcium channel blockers, benzodiazepines) may increase plasma concentrations of these drugs, potentially leading to toxicity.
* **Warfarin:** Miconazole can inhibit warfarin metabolism, increasing the anticoagulant effect. Monitor INR closely if used concurrently.
## Monitoring
* Symptom relief.
* Signs of local irritation or allergic reaction.
## Clinical Pearls
* Complete the full course of treatment, even if symptoms improve earlier, to ensure eradication of the infection.
* Avoid sexual intercourse during treatment to prevent potential reinfection or irritation.
* The vaginal pessary/suppository may weaken latex condoms and diaphragms. Advise patients to use alternative methods of contraception during treatment and for at least 72 hours after completion.
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*Disclaimer: This information is intended for healthcare professionals and does not replace clinical judgment or the need to consult official prescribing information and current guidelines. Always verify the most up-to-date drug information with the product's official labeling before making clinical decisions.*
