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For 95–97% of cases, infection is resolved after one dose of metronidazole. [26] [35] Studies suggest that 4–5% of trichomonas cases are resistant to metronidazole, which may account for some "repeat" cases. [33] [9] Without treatment, trichomoniasis can persist for months to years in women, and is thought to improve without treatment in ...
The 5-nitroimidazole drugs (metronidazole and tinidazole) are the mainstay of treatment for infection with Trichomonas vaginalis. Treatment for both the infected patient and the patient's sexual partner is recommended, even if asymptomatic. Therapy other than 5-nitroimidazole drugs is also an option, but cure rates are much lower. [25]
Dosage typically includes information on the number of doses, intervals between administrations, and the overall treatment period. [3] For example, a dosage might be described as "200 mg twice daily for two weeks," where 200 mg represents the individual dose, twice daily indicates the frequency, and two weeks specifies the duration of treatment.
Trichomonas vaginalis from a vaginal swab. This is a heavy infection; there were probably thousands of trichomonads in the vagina. Alfred Francois Donné (1801–1878) was the first to describe a procedure to diagnose trichomoniasis through "the microscopic observation of motile protozoa in vaginal or cervical secretions" in 1836.
Trichomoniasis is a common STI that is caused by infection with a protozoan parasite called Trichomonas vaginalis. [70] Trichomoniasis affects both women and men, but symptoms are more common in women. [71] Most patients are treated with an antibiotic called metronidazole, which is very effective. [72]
Metronidazole is an antibiotic with an off-label use in eradicating H. pylori for treating gastric ulceration. Resistance of metronidazole is above 15% worldwide. [ 32 ] It is likely to be resistant so is not the first line choice of treatment. [ 44 ]