Imipenem-Cilastatin-Induced Seizures: A Case Report.

BACKGROUND

Imipenem-cilastatin, a carbapenem antibiotic, is commonly used for severe bacterial infections. While generally well-tolerated, it can rarely cause central nervous system toxicity, including seizures. We have, herein, reported a case of imipenem-cilastatin-induced seizure in a 20-year-old patient.

CASE PRESENTATION

A 20-year-old male was admitted to the intensive care unit for febrile status epilepticus and acute respiratory distress syndrome. Initial evaluations ruled out underlying causes and anti-epileptic treatment has been initiated. Despite having an effective anti-epileptic treatment for three months of hospitalization, seizure recurrence occurred, leading to antibiotic regimen adjustment as the imputability of imipenem-cilastatin was suspected. After discontinuation of the involved drug, the patient remained neurologically stable. Previous literature has reported cases of imipenem-cilastatin-induced seizures, particularly in elderly patients or at higher dosages. The causality assessment was conducted using the updated French method, which rated the chronological criterion as C2 and the semiological criterion as S2. The intrinsic imputability score was I3, indicating plausible causality, and the extrinsic bibliographic score was B3.

CONCLUSION

Our case has highlighted the importance of promptly recognizing imipenem-cilastatin- induced epileptic seizures in order to treat them more effectively and thus optimize the patient's care. Therefore, we emphasize that clinicians be vigilant about the side effects of its use, particularly in patients with neurological susceptibilities. We also advocate a personalized choice of antibiotics, taking into account both antimicrobial efficacy and potential adverse effects, for better outcomes with fewer risks.

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