Could it be TMAU?did any one got tested for it?

I was reading about tmau.the smell could be other than fishy smell.since it is a problem regarding inability of breaking down of some chemical.etc..stomach discomfort?odor?smelling bad even after shower could it be tmau?did any one get tested for it?I'm gonna talk to my dic next visit who thinks I'm crazy.god help!!!!!this life seems such a waste and full of shame.I'll die single and lonely!!!!