We explain the likely reasons your urine smells fishy, from minor (dehydration) to serious (trimethylaminuria). If so, you’re not alone. Many people experience a peculiar smell in their urine after consuming seafood,.

Webhave you ever noticed a fishy odor after eating seafood? Webtrimethylaminuria (tmau) is an uncommon condition that causes an unpleasant, fishy smell. It's also called fish odour syndrome. Sometimes it's caused by faulty genes that.