Metronidazole Activity Against Parasites

Spectrum of Antiparasitic Activity

• Giardia lamblia is highly effective with tinidazole as first-line and metronidazole as second-line treatment, as recommended by the Infectious Diseases Society of America 1

Clinical Implications

• Topical metronidazole formulations are NOT effective for parasitic infections like trichomoniasis, with cure rates <50%, according to the Centers for Disease Control and Prevention 2