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  • Title: Successful treatment of massive carbamazepine overdose.
    Author: Sethna M, Solomon G, Cedarbaum J, Kutt H.
    Journal: Epilepsia; 1989; 30(1):71-3. PubMed ID: 2912721.
    Abstract:
    Overdose of carbamazepine (CBZ) can be fatal. We report the case of a patient with near-lethal toxicity due to delayed absorption of drug. A 36-year-old woman was admitted with coma, hypotension, and unusual movements. Carbamazepine (CBZ) level several hours later was 36 mg/L. Gastric lavage revealed no pill fragments, and activated charcoal was administered. CBZ level initially fell, reaching 28 mg/L 36 h after admission. Blood level then rose sharply, reaching 54 mg/L 64 h after admission. The pattern of rise suggested renewed absorption of drug. Vigorous cathartics were given, and further doses of charcoal were administered. Three hours after onset of diarrhea, roving eye movements occurred. Two hours later she grimaced to pain. Eight hours after the onset of diarrhea, she was awake. In CBZ overdose, activated charcoal therapy coupled with aggressive intestinal purging helps prevent continued absorption of drug, late exacerbation of symptoms, and potentially fatal outcome.
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