Because Trichomoniasis can cause genital inflammation, this makes it easier to get or spread other sexually transmitted infections and the HIV virus , or pass the HIV virus on to a sex partner.
The web site below gives more detailed information about Trichomoniasis (trich)
http://www.cdc.gov/std/trichomonas/STDFact-Trichomoniasis.htm
when you say risk factor of HIV you mean that trich evolves into HIV or that i have higher risk of getting infected if exposed to HIV?
The complications of trich in men is: infertility, inflammation of the urethra and chronic (long lasting) problems with the prostate as well as a risk factor for HIV.
I you do suspect you have trich, get medication attention urgently so that you can get the appropriate treatment.