SummaryA 52-year-old man, without previous disease, presented with dysphagia, dyspnoea, high fever and sore throat after peritonsillar abscesses drainage. Physical and complementary examinations were consistent with pericarditis, mediastinitis, pneumonia and pleuritis. Blood cultures grewEikenella corrodensresistant to clindamycin and amikacin. We emphasize the pathogenic potential ofEikenella corrodens.Tothe best of our knowledge, this is the first reported case of this organism as a pathogen in intrathoracic infections after peritonsillar abscesses drainage.