Trichomoniasis is a genital infection caused by the organism Trichomonas vaginalis. In Australia, trich is more common in people with vaginas who are older and/ or who are living in remote areas. It is less commonly diagnosed in people with a penis.
Trichomoniasis can be passed on by having sex without a condom with a person who has trichomoniasis.
If you have a vagina, most people have no symptoms. If symptoms occur, they can include:
If you have a penis, most people have no symptoms. If symptoms occur, they can include:
If you have a vagina:
If you have a penis:
Trichomoniasis is treated with antibiotics.
The medication may cause nausea, so taking it with food reduces side effects. Alcohol should be avoided for 48 hours after taking antibiotics.
All sexual partners should be treated, even if they have no symptoms.
Trichomoniasis during pregnancy may lead to low birth weight babies and premature birth.
To avoid getting reinfected and passing trichomoniasis on to anyone else:
Using a condom during sex is the best way to protect yourself from trichomoniasis.
When you've been diagnosed with an STI like this, all of your sexual partners from the last few months should be checked by a doctor.
It is very important that all your sex partners (regular and casual) are checked because if STIs are not treated they may cause serious problems later on.
If you have difficulty telling your partners, you can use Let Them Know for sample conversations, emails, text messages and letters you can send to your partners either personally or anonymously.
This fact sheet provides general sexual health information and is not intended to replace the need for a consultation with your doctor.
If you have concerns about your health, you should seek advice from your doctor.
If you require urgent care, you should go to your nearest Emergency Department or call 000.