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Objective: The objective was to determine the incidence of leukocytosis associated with carbamazepine, lamotrigine, and phenobarbital. Data sources: A comprehensive literature review was conducted with the assistance of a medical reference librarian on PubMed, MEDLINE, Embase, and Google Scholar through June 2023 using the following search terminology: "leukocytosis/chemically induced"[MeSH Terms] AND ("Anticonvulsants"[MeSH Terms] OR ("Anticonvulsants"[Pharmacological Action] OR "Anticonvulsants"[MeSH Terms] OR "Anticonvulsants"[All Fields] OR "anticonvulsant"[All Fields] OR "anticonvulsion"[All Fields] OR "anticonvulsive"[All Fields] OR "anticonvulsives"[All Fields]) OR ("Anticonvulsants"[Pharmacological Action] OR "Anticonvulsants"[MeSH Terms] OR "Anticonvulsants"[All Fields] OR "antiepileptic"[All Fields] OR "antiepileptics"[All Fields])). Study selection and data extraction: Thirteen reports were included from 64 potential results of our literature review following the application of inclusion and exclusion criteria: 7 of the reports involved carbamazepine, 4 of the reports involved lamotrigine, and 2 of the reports involved phenobarbital. Data synthesis: Drug-induced leukocytosis is commonly a diagnosis of exclusion and is a phenomenon that has numerous ramifications to patients and clinicians at the bedside, including mandating a full infectious evaluation, the identification of confounding variables, and the eventual discontinuation of the offending agent. Despite several medications and medication classes possessing this adverse drug effect, an evaluation of the specific clinical presentation and management strategies for drug-induced leukocytosis associated with anticonvulsant medications has not been elucidated in the literature. Conclusions: Clinicians should be judicious when evaluating leukocytosis in patients on potentially precipitating medications, including carbamazepine, lamotrigine, and phenobarbital., Competing Interests: The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article., (© The Author(s) 2024.)