Trichomonas vaginalis: Difference between revisions
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Revision as of 02:54, 20 August 2016
Background
- Considered an STI
- Associated with preterm birth, PID, cervical cancer, increased transmission of other STIs
Clinical Features
- Yellow, malordorous discharge
- Vaginal erythema or edema
Differential Diagnosis
Vulvovaginitis
- Bacterial vaginosis
- Candida vaginitis
- Trichomonas vaginalis
- Contact vulvovaginitis
- Bubble baths and soaps
- Deodorants, powders, and douches
- Clothing
- Atrophic vaginitis due to lack of estrogen (AKA Vulvovaginal atrophy)
- Lichen sclerosus
- Tinea cruris
- Chlamydia/Gonorrhea infection
- Pinworms
- Vaginal foreign body
- Toilet paper
- Other
- Genitourinary syndrome of menopause
- Foreign body
- Allergic reaction
- Normal physiologic discharge
Sexually transmitted diseases
- Chancroid
- Chlamydia trachomatis
- Granuloma inguinale
- Hepatitis B
- Herpes Simplex Virus-2
- HIV
- Human papillomavirus
- Lymphogranuloma venereum
- Neisseria gonorrhoeae
- Trichomonas
- Syphilis
Evaluation
- Wet mount shows mobile trichomonads
Management
Non-Pregnant
- Metronidazole 500mg PO BID for 7 days [1]
- Tinidazole 2g PO once
Pregnant
Only treat if the patient is symptomatic
- Metronidazole 500mg PO BID for 7 days [2]
Sexual Partner Treatment
- Female: Same as above
- Male: Metronidazole 2 gm PO x1 [3]
Women with HIV Infection
- Metronidazole 500 mg PO BID x 7 days[4]
See Also
References
- ↑ Workowski KA, Bachmann LH, Chan PA, et al. Sexually Transmitted Infections Treatment Guidelines, 2021. MMWR Recomm Rep 2021;70(No. RR-4):1–187. DOI: http://dx.doi.org/10.15585/mmwr.rr7004a1external icon
- ↑ CDC Trichomoniasis 2021. https://www.cdc.gov/std/treatment-guidelines/trichomoniasis.htm
- ↑ Workowski KA, Bachmann LH, Chan PA, et al. Sexually Transmitted Infections Treatment Guidelines, 2021. MMWR Recomm Rep 2021;70(No. RR-4):1–187. DOI: http://dx.doi.org/10.15585/mmwr.rr7004a1external icon
- ↑ CDC. Sexually transmitted diseases treatment guidelines. MMWR Recomm Rep 2010;59(No. RR-12)