Arcanobacterium haemolyticum bacteremia presenting as severe sepsis: A case report and review of the literature

•Severe infections by Arcanobacterium haemolyticum can lead to cavitary lung lesions, Lemierre’s syndrome, septic shock, and multi-organ failure.•When Arcanobacterium haemolyticum bacteremia occurs secondary to sinusitis, there is an association with intracranial complications.•The Development of Lemierre’s syndrome is associated with having a Peritonsillar abscess.•Beta-lactams and penicillins are the most commonly used antibiotics to treat Arcanobacterium haemolyticum bacteremia.