皮膚用抗感染 Treatment of inflammatory lesions and erythema of rosacea, bacterial vaginosis, trichomoniasis
藥理
After diffusing into the organism, interacts with DNA to cause a loss of helical DNA structure and strand breakage resulting in inhibition of protein synthesis and cell death in susceptible organisms.
藥動學
禁忌症
Hypersensitivity to metronidazole, parabens, or other ingredients of the formulation or other nitroimidazole derivatives; use of disulfiram within the past 2 weeks; use of alcohol or propylene glycol during therapy or within 24 hours or 3 days of therapy discontinuation.
懷孕分類
B(UTD)
哺乳分類
Metronidazole is excreted in breast milk following oral administration and can be detected in concentrations similar to the maternal serum.
Bacterial vaginosis:
(Intravaginal) One applicatorful (~37.5 mg metronidazole) intravaginally once or twice daily for 5 days Rosacea:
(Topical) 0.75%: Apply and rub a thin film twice daily, morning and evening, to entire affected areas after washing Trichomoniasis:
(Intravaginal) 10% Insert one applicatorful (equal to metronidazole 500 mg) intravaginally once or twice daily for 10 or 20 consecutive days (even during menses)