Abstract
Bupropion is an atypical antidepressant primarily used for the treatment of depression and as an adjunct for smoking cessation. The United Sates Food and Drug Administration approved bupropion for the treatment of depression in 1985, but the drug was withdrawn prior to marketing after seizures were reported in four of 55 nondepressed bulimic patients who received it [1]. It was later reported that the risk of seizures with bupropion was comparable to that of other antidepressants, provided the daily dose did not exceed 450 mg, and the drug was reintroduced in 1989 [2, 3]. Today, bupropion is available as immediate-release, sustained-release, and extended-release formulations [4]. It is generally well tolerated at therapeutic doses, with common side effects including insomnia, agitation, dry mouth, and nausea [5]. Given its unique pharmacologic properties, adverse effects frequently encountered with other antidepressants (such as sexual dysfunction, weight gain, and sedation) are rarely seen with bupropion [5]. In overdose, however, bupropion can exhibit significant toxicity, and bupropion abuse is increasingly recognized as an evolving concern. This chapter focuses on the pharmacological and toxicological properties of bupropion, with particular attention to its pharmacokinetics, the clinical manifestations of overdose, and recommendations for management.
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Grading System for Levels of Evidence Supporting Recommendations in Critical Care Toxicology, 2nd Edition
Grading System for Levels of Evidence Supporting Recommendations in Critical Care Toxicology, 2nd Edition
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I
Evidence obtained from at least one properly randomized controlled trial.
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II-1
Evidence obtained from well-designed controlled trials without randomization.
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II-2
Evidence obtained from well-designed cohort or case–control analytic studies, preferably from more than one center or research group.
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II-3
Evidence obtained from multiple time series with or without the intervention. Dramatic results in uncontrolled experiments (such as the results of the introduction of penicillin treatment in the 1940s) could also be regarded as this type of evidence.
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III
Opinions of respected authorities, based on clinical experience, descriptive studies, and case reports, or reports of expert committees.
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Wu, P., Juurlink, D. (2016). Bupropion. In: Brent, J., Burkhart, K., Dargan, P., Hatten, B., Megarbane, B., Palmer, R. (eds) Critical Care Toxicology. Springer, Cham. https://doi.org/10.1007/978-3-319-20790-2_135-1
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DOI: https://doi.org/10.1007/978-3-319-20790-2_135-1
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