Thir is a smell of fish from my urine could you tell me what it could be?

May be infection: Even though fishy smell in urine is more common in women due to infection in vagina, like bacterial or tricomoniasis.Sometimes men can pick up these infections from their sexual partners.Multiple sex partners increase the risk of these infections there is a rare condition also called trimethylaminurea where there is fishy odor in urine , sweat and breath.This a rare genetic condition check with md.