Sepsis happens more often in people who are hospitalized, where the risk of infection is already higher. Because blood poisoning occurs when bacteria enter your bloodstream in conjunction with another infection, you won’t develop sepsis without having an infection first. Some common causes of infections that can cause sepsis include: abdominal infection; an infected insect bite; central line infection, such as from a dialysis catheter or chemotherapy catheter; dental extractions or infected teeth; exposure of a covered wound to bacteria during surgical recovery, or not changing a surgical bandage frequently enough; exposure of any open wound to the environment; infection by drug-resistant bacteria; kidney or urinary tract infection; pneumonia; skin infection.
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