How do you get trichomoniasis? · Vaginal, oral, or anal sex. Trichomoniasis can be spread even if there are no symptoms. This means you can. An STD can be spread during oral sex by contact with infected And while some people might think that you can get Trich from a hot tub, Elliott. We all need to know about them, how to prevent them and what to do when we have STIs are spread predominantly by sexual contact, including vaginal, anal and oral sex. Both men and women can get a trich infection. Anyone who's sexually active.