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Medical AI Inquiry: You was designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.  Labels: BACKGROUND, METHODS, METHODS. Meshes: .
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Do serum fluoxetine and norfluoxetine levels support the safety of fluoxetine in overdose? Context: Previous literature has found fluoxetine to be relatively safe in overdose. This study hopes to examine this idea along with support from published pharmacokinetic information including serum fluoxetine and norfluoxetine levels based on information from a clinical case series. Four cases are presented along with vital abnormalities, electrocardiogram abnormalities, and physical exam abnormalities along with amount of overdose and resulting serum fluoxetine and norfluoxetine levels. In these four cases, serum fluoxetine and norfluoxetine days after overdose were found to be in a range believed to be within the treatment range. No abnormalities were found on electrocardiogram but some patients (3) were found to have slight elevations in heart rate.
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Fluoxetine is relatively safe in overdose. This study supports previous literature. Future directives for research can be directed towards when serotonergic, including fluoxetine, medications can be introduced or restarted in patients who have overdosed. Research could also focus on if the introduction of another medication, such as carbamazepine, to induce metabolism of a medication, such as fluoxetine, after an overdose. Final Decision: yes