Overview
DESCRIPTION GYNAZOLE • 1 ® Butoconazole Nitrate Vaginal Cream USP, 2% contains butoconazole nitrate 2%, an imidazole derivative with antifungal activity. Its chemical name is (±)-1-[4-(p-chlorophenyl)-2- [(2,6-dichlorophenyl) thio]butyl] imidazole mononitrate, and it has the following chemical structure: Butoconazole nitrate is a white to off-white crystalline powder with a molecular weight of...
Mechanism of Action
CLINICAL PHARMACOLOGY Following vaginal administration of butoconazole nitrate vaginal cream, 2% to 3 women, 1.7% (range 1.3-2.2%) of the dose was absorbed on average. Peak plasma levels (13.6-18.6 ng radioequivalents/mL of plasma) of the drug and its metabolites are attained between 12 and 24 hours after vaginal administration. Microbiology - The exact mechanism of the antifungal action of butoconazole nitrate is unknown; however, it is presumed to function as other imidazole derivatives via inhibition of steroid synthesis. Imidazoles generally inhibit the conversion of lanosterol to ergosterol, resulting in a change in fungal cell membrane lipid composition.
Indications
- INDICATIONS AND USAGE GYNAZOLE • 1 ® Butoconazole Nitrate Vaginal Cream USP, 2% is indicated for the local treatment of vulvovaginal candidiasis (infections caused by Candida ). The diagnosis should be confirmed by KOH smears and/or cultures (see CLINICAL STUDIES ). Note: GYNAZOLE • 1 ® Butoconazole Nitrate Vaginal Cream USP, 2% is safe and effective in non-pregnant women; however, the safety and effectiveness of this product in pregnant women has not been established (see PRECAUTIONS - Pregnancy ).
Common Doses
- 100 mg
Dosage
DOSAGE AND ADMINISTRATION The recommended dose of GYNAZOLE • 1 ® Butoconazole Nitrate Vaginal Cream USP, 2% is one applicatorful of cream (approximately 5 grams of the cream) intravaginally. This amount of cream contains approximately 100 mg of butoconazole nitrate.
Contraindications
- CONTRAINDICATIONS GYNAZOLE • 1 ® Butoconazole Nitrate Vaginal Cream USP, 2% is contraindicated in patients with a history of hypersensitivity to any of the components of the product.
Side Effects
- ADVERSE REACTIONS Of the 314 patients treated with GYNAZOLE • 1 ® Butoconazole Nitrate Vaginal Cream USP, 2% for 1 day in controlled clinical trials, 18 patients (5.7%) reported complaints such as vulvar/vaginal burning, itching, soreness and swelling, pelvic or abdominal pain or cramping, or a combination of two or more of these symptoms. In 3 patients (1%) these complaints were considered treatment-related. Five of the 18 patients reporting adverse events discontinued the study because of them.
Interactions
- No major interactions listed on the FDA label. Always consult a healthcare professional.