Is amoxicillin effective in treating trichomonas?

I'm not sure

No. Trichomoniasis is an anaerobic parasite. The parasite is spread through sexual contact. Women can get it by having penis -- to -- vagina intercourse with an infected man or vulva -- to -- vulva contact with an infected woman. Men usually get it only from infected women. It is one of the most common sexually transmitted infections but luckily it IS curable. Metronidazole is the specific antibiotic used for "trich" infections. Left untreated, the infection can persist over the long term and it can lead to PID (Pelvic Inflammatory Disease). It may also recur following treatment. Your recent sexual partners need to be treated so that you don't keep spreading the infection back and forth. People being treated for trichomoniasis should not have sex until they and their sex partners complete treatment and have no symptoms. Using condoms is one of the best ways to prevent becoming infected. Other birth control methods, like the Pill and Nuva Ring etc. don't protect you against STD's. Washing genitals, passing urine, and douching after sex will not keep you from getting an STI/STD.