Septic shock is a state of shock that occurs when the body has a severe infection, has turned to sepsis and has cardiovascular dysfunction. Diagnosis of sepsis requires finding the source of the infection as well as assessing the function of the organ systems for timely treatment.

Septic shock is a state of response of the whole body, occurs when infection with pathogenic bacteria leads to a drop in blood pressure along with symptoms of organ dysfunction due to anemia and lack of oxygen in the tissues. adequate volume of circulating fluid has been compensated. Viral and fungal infections can also cause septic shock.