Trichomonas vaginalis is the commonest non-viral sexually transmitted infection worldwide.
It is caused by the flagellated protozoan trichomonas vaginalis.
Presentation:
- Asymptomatic in up to 50% of infections
- Vaginal discharge
- Ranges from thin to thick; classically frothy yellow but this occurs in just 30% of cases
- malodorous
- Itchiness
- Dysuria
- Dyspareunia
- ‘strawberry cervix’ - occurs in around 2%
It increases the risk of infection with HIV.
It is associated with adverse pregnancy outcomes such as low birth rate.
Diagnosis
- Microscopy
- Culture in Diamond’s medium
Treatment
1st line – metronidazole
2nd line – tinidazole
References:
