Definition. Hypothermia is a medical emergency that occurs when your body loses heat faster than it can produce heat, causing a dangerously low body temperature. Normal body temperature is around 98.6 F (37 C).
The medical term is bromhidrosis. Occasional abnormal body odor may be a temporary effect of a metabolic change, such as fruity breath in diabetic ketoacidosis, but by far the most common cause of abnormal body odor is excessive perspiration or hyperhidrosis (overactive sweat glands).
1 Fish odor syndrome (trimethylaminuria) is a genetic disease; symptoms are often present from birth. 2  Fish odor syndrome is characterized by an offensive body odor and the smell of rotting fish due to the excessive excretion of trimethylaminuria (TMA) in the urine, sweat, and breath of affected individuals. Other causes of odor body can occur as a result from an excess of proteins in the diet, or from an increase in bacteria that normally produce trimethylamine in the GI tract (also may make fish odor syndrome worse); liver disease, kidney disease, poor hygiene, gingivitis, and cases of blood-borne halitosis.