Trichomoniasis

Trichomoniasis



Nicole L. Mihalopoulos, MD, MPH



Basic Information



Definition


Trichomoniasis is an infection of the genitourinary system (i.e., vagina, urethra, and periurethral glands) with the flagellated protozoa Trichomonas vaginalis.



Synonym



Trich

Trich vaginitis (TV)


ICD-9-CM Codes



131.0 Urogenital trichomoniasis

131.01 Trichomonal vulvovaginitis

131.02 Trichomonal urethritis


Epidemiology & Demographics



• Prevalence among teenagers varies from 8% to 34%.

• Peak prevalence occurs between 16 and 35 years of age.

• Onset of symptoms varies from several days to weeks.

• An estimated 7.4 million new cases occur each year in men and women in the United States.


Clinical Presentation



History



• Perineal pruritus (60% to 75%)

• Bothersome and irritating vaginal discharge (50%)

• Dysuria (20%)

• Dyspareunia

• Asymptomatic (up to 25% of females and 90% of males)


Physical Examination



• Frothy gray, green, or yellow vaginal discharge of various consistencies (pH >4.5)

• Diffuse vulvitis

• Colpitis macularis or “strawberry spots”—(i.e., petechiae on the cervix) not always present


Etiology



• Sexually transmitted infection by the protozoan T. vaginalis

• Evidence showing nonsexually transmitted infections can occur with trichomonads surviving in wet sponges or towels for up to 1.5 hours
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Jul 2, 2016 | Posted by in PEDIATRICS | Comments Off on Trichomoniasis

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