Septicemic plague

Septicemic plague
Other names	Septicaemic plague
Septicemic plague resulting in necrosis
Specialty	Infectious diseases
Symptoms	DIC (disseminated intravascular coagulation) which causes : tissue death due to lack of circulation/perfusion to that tissue, bleeding into the skin and other organs, which can cause red and/or black patchy rash and hemoptysis/hermatemesis
Complications	Gangrene
Usual onset	1 to 7 days after exposure
Causes	Yersinia pestis
Diagnostic method	Typically by finding the bacterium in fluid form from blood or sputum
Treatment	With antibiotics and vaccination
Prognosis	Invariably fatal when left untreated
Deaths	Thousands of people each year; mainly those who are untreated

Septicemic plague is one of the three forms of plague, and is caused by Yersinia pestis, a gram-negative species of bacterium. Septicemic plague is a systemic disease involving infection of the blood and is most commonly spread by bites from infected fleas. Septicemic plague can cause disseminated intravascular coagulation and is always fatal when untreated. The other varieties of the plague are bubonic plague and pneumonic plague.^[1]