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GENITO URINARY SYSTEM AND SEX HORMONES › GYNECOLOGICAL ANTIINFECTIVES AND ANTISEPTICS › ANTIINFECTIVES AND ANTISEPTICS, EXCL. COMBINATIONS WITH CORTICOSTEROIDS › Imidazole derivatives
omoconazole
G01AF16
Forms & Strengths
- Vaginal suppositories: 150 mg, 300 mg
- Vaginal cream: 1%
- Topical cream: 1%
Adult Dosing
- Vulvovaginal candidiasis (suppositories): 150 mg daily for 3 days or 300 mg as a single dose
- Vulvovaginal candidiasis (cream): 5 g of 1% cream inserted intravaginally daily for 7 days
- Dermatomycoses (topical cream): Apply to affected areas 1-2 times daily for 2-4 weeks
Pediatric Dosing
- Safety and efficacy in pediatric patients under 18 years have not been well established
- Use in adolescents should follow adult dosing if post-menache, but clinical data are limited
Indications
- Treatment of vulvovaginal candidiasis
- Treatment of superficial dermatomycoses and cutaneous fungal infections
Mechanism of Action
- Broad-spectrum imidazole antifungal agent
- Inhibits fungal cytochrome P450-dependent enzyme lanosterol 14-alpha-demethylase
- Blocks conversion of lanosterol to ergosterol, leading to increased fungal cell membrane permeability and lysis
Contraindications
- Hypersensitivity to omoconazole, other imidazole antifungals, or any excipients in the formulation
- First trimester of pregnancy (precautionary measure for systemic absorption from vaginal products)
Adverse Reactions
- Local burning, irritation, or itching at the application or insertion site
- Erythema and contact dermatitis
- Rare systemic allergic hypersensitivity reactions
Drug Interactions
- Potential degradation of latex barrier contraceptives (condoms, diaphragms) by lipid excipients in vaginal formulations
- Minimal systemic absorption via topical/vaginal routes, making systemic drug-drug interactions unlikely but theoretically possible with potent CYP3A4 inhibitors/inducers if absorbed significantly
Curated Content: Needs Vetting Before Put to Clinical Use