Symptoms of trichomoniasis in vagina owners include fishy smelling vaginal discharge, itching in the genitals, burning or painful urination.
In penis owners, it can range from irritation or itching in the genitals, burning or painful urination as well as discharge from the penis, soreness, swelling or redness around the head of the penis.
Sources:
https://www.cdc.gov/std/trichomonas/stdfact-trichomoniasis.htm
https://www.nhs.uk/conditions/trichomoniasis/
https://www.mayoclinic.org/diseases-conditions/trichomoniasis/symptoms-causes/syc-20378609
https://my.clevelandclinic.org/health/diseases/4696-trichomoniasis
https://www.webmd.com/sexual-conditions/guide/trichomoniasis