Trimethylaminuria (TMAU, fish odor syndrome) is an uncommon condition that makes people smell like rotten fish. It’s a metabolic disorder. People with TMAU may develop depression and anxiety.

Mar 27, 2025 · Disease name: Trimethylaminuria (TMAU), also known as "fish odor syndrome" Affected populations: TMAU is a rare metabolic condition that causes a person to smell like rotten fish. The condition is ...

Trimethylaminuria (TMAU), also known as fish odor syndrome or fish malodor syndrome, [1] is a rare metabolic disorder that causes a defect in the normal production of an enzyme named flavin-containing monooxygenase 3 (FMO3).

Trimethylaminuria (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 a person inherits from their parents, but this isn't always the case.

Jun 27, 2023 · Trimethylaminuria is a rare condition that produces a fish-like odor. There is no cure, but eating habits and other changes can help address this health concern.

Aug 15, 2024 · Trimethylamine has a characteristic rotten fish smell. When the normal metabolic process of trimethylamine fails, trimethylamine accumulates in the body and its odor is detected in the person’s sweat, urine and breath.

Excess trimethylamine is the cause of the fishy odor or rotten fish odor. To this day, there is no cure for fish odor syndrome or trimethylaminuria, and only palliative care exists that mainly involves: Removing and preventing bad odors. Diet modification that includes avoidance of choline-rich foods such as:

"Rotten fish odor disease", scientifically known as Trimethylaminuria, is a rare disorder that causes the body to emit a foul odor similar to that of rotting fish. People with this disease have difficulty breaking down the compound trimethylamine (TMA), which leads to its accumulation in the body and its exit through sweat, urine, and exhalation.

Fish Odor Syndrome, also known as trimethylaminuria, is a rare genetic disorder characterized by the body's inability to break down trimethylamine, a compound found in certain foods like eggs, liver, and fish, leading to a strong fishy odor in bodily secretions such as sweat, urine, and breath.

Trimethylamine has been described as smelling like rotten or decaying fish. As this compound builds up in the body, it causes affected people to give off a strong fishy odor in their sweat, urine, and breath. The intensity of the odor may vary over time.