A patient had septic pelvic thrombophlebitis complicated by multiple septic emboli after intrauterine device insertion. Fusobacterium necrophorum, a well‐known cause of Lemierre's syndrome, was identified.
Keywords: Fusobacterium necrophorum; Intrauterine device; Lemierre's syndrome; Liver abscess; Septic pelvic thrombophlebitis; Septic pulmonary emboli.