Blood poisoning, also known as septicemia, is a serious medical condition caused by the presence of bacteria in the bloodstream. It is also referred to as toxemia, toxaemia, and sepsis. Toxaemia is an 8-letter term for the presence of toxins in the blood, while toxemia is a 7-letter term for the same condition. SEPTICAEMIA is an 11-letter term for the presence of bacteria in the blood, and sepsis is a 6-letter term for the same condition. Blood poisoning can be life-threatening if not treated promptly.