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# Miconazole Vaginal Pessary
## Overview
Miconazole is a synthetic imidazole antifungal agent. It works by inhibiting the synthesis of ergosterol, a vital component of fungal cell membranes, leading to increased membrane permeability and cell death.
## Primary Indications
Treatment of vulvovaginal candidiasis (yeast infections).
## Adult Dosing
The standard regimen involves inserting one 100 mg vaginal suppository (pessary) intravaginally at bedtime for 7 days, OR one 200 mg vaginal suppository intravaginally at bedtime for 3 days, OR one 1200 mg vaginal suppository intravaginally as a single dose. The specific duration and dose depend on the available product strength.
## Pediatric Dosing
Safety and efficacy in pediatric patients below 12 years of age have not been established.
## Dose Adjustments
No dose adjustments are typically required for hepatic or renal impairment with vaginal administration due to minimal systemic absorption.
## Contraindications
Hypersensitivity to miconazole or any component of the formulation.
## Adverse Effects
Common adverse effects include vaginal burning, itching, irritation, and lower abdominal cramping.
## Key Drug Interactions
Concurrent use with warfarin may increase INR and risk of bleeding. Monitor INR closely. Consider alternative antifungal therapy if warfarin is used.
## Monitoring
Monitor for symptom relief and signs of local irritation.
## Clinical Pearls
- Ensure the patient understands proper insertion technique.
- Advise patients to avoid sexual intercourse during treatment.
- Miconazole can weaken latex condoms and diaphragms.
- If symptoms do not improve after completion of therapy, or if symptoms recur, re-evaluate the diagnosis and consider alternative treatment.
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*Disclaimer: This information is intended for healthcare professionals. Always consult the current prescribing information and relevant guidelines for complete details and to verify recommendations before making clinical decisions.*
