Was Your Trich Infection Resistant, or Did You Get Infected Again?

Trichomonas vaginalis is the most common curable sexually transmitted infection worldwide!

Trichomonas infection usually has a fairly heavy called profuse discharge, odor, and itching.

When gynos examine the discharge they perform a test called a wet mount which suspends the discharge in a droplet of saline fluid so that the organisms can be seen better. 

Trichomonas vaginalis, also called Trich, is an STD, caught through sexual contact, but it’s not a virus or a bacteria but a parasite that exclusively infects the urogenital tract.

Trich is common, in fact new statistics indicate T vaginalis infections in the USA is estimated to be 3.1% overall and is higher in certain risk groups.

It’s not just important to treat Trich before it is spread to your sex partner; it is important to treat because trichomoniasis is associated with other adverse gyno outcomes of pregnancy and increased risk for other STD infection.

Trich can occur by itself or with BV.

It has been a standard to use metronidazole for treatment, but we are seeing some resistance and we now also use tindazole. The vaginal gels do not have the potency of oral medication, and we are getting away from recommending the vaginal gel.

For those women who are resistant to the standard medicines we can try compounded medication using paromomycin cream can be an alternative, as can using vaginal boric acid. Use of the spermacide nonoxynol-9 and betadine douches do work in some cases, but usually not. the resistance of trichomonas to standard treatments is going to be a topic we will be watching to gab about with you, so tune back from time to time on this topic!


Suzanne Trupin, MD, Board Certified Obstetrician and Gynecologist and owner of Women's Health Practice, Hada Cosmetic Medicine, and Hatha Yoga and Fitness

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