1) can pneumonia cause sepsis? (2) if so then is this unusual and why? (3) can sepsis cause pneumonia?

Ans: Well this is a complicated answer. If a person is diagnosed with pneumonia and no other medical problems then pneumonia is treated and usially does well if a person is immune compromised and the body is weakened can get pneumonia and have trouble fighting off the disease. Not sepsis but the pneumonia itself. But if the disease cannot be controlled due to the weakened system then the body is overru

1) Pneumonia can: cause sepsis, and it is not that unusual or infrequent. 2) Pneumonia is caused by bacteria that invades the lung parenchyma (tissue cells) from the bronchioles which interface with the outside air. When the body's immune system struggles to cope with such overwhelming infection, bacteria can be seeded into the bloodstream and cause sepsis. 3) The reverse is also certainly possible as well.