[Clostridiodes difficile bacteraemia. First mexican case report].

Background: Clostridiodes difficile bacteremia (CDB) develops in less than 1% of all the cases, nonetheless, with a significant increase in mortality. The objective of the present article is to report the first case of CDB in the Mexican population, empathizing with the treatment difficulty derived from the lack of consensus. Clinical case: A 42-year-old female with previous history of chronic thromboembolic pathologies and grade III obesity, develops community acquired atypical pneumonia requiring hospitalization, having parenteral antibiotics. During hospitalization, non severe C. difficile infection was concluded and started treatment with Vancomycin for 10 days. One week later the patient presented to the emergency department at HES CMN SXXI with gastrointestinal symptomatology, mostly epigastric pain, fever and diarrhea. After proper approach, C. difficile was isolated in blood cultures through mass spectrophotometry analysis, for which a 10-day treatment of metronidazole was prescribed with resolution of the infection being discharged afterwards. Conclusions: CDB is an exceptional and lethal clinical condition, mainly seen in patients with previous gastrointestinal diseases. IV Metronidazole demonstrated therapeutic efficacy in this case report and could be a successful and available therapeutic option in Mexican health care units.