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Complications
By Mayo Clinic staffEpiglottitis can lead to respiratory failure — a life-threatening condition in which the level of oxygen in the blood drops dangerously low or the level of carbon dioxide becomes excessively high.
Sometimes the bacteria that cause epiglottitis cause infections elsewhere in the body, such as pneumonia, meningitis or a blood infection (sepsis).
Rarely, pulmonary edema, another life-threatening condition, can develop. It occurs when the tiny air sacs in the lungs fill with fluid, preventing them from absorbing oxygen.
