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Background  Poisoning remains an important public health problem contributing significantly to the global burden of disease. Evidence on the exact burden and pattern of acute poisoning in Zambia is limited. We aimed to characterise acute poisoning with regard to demographic and epidemiologic factors of cases reported at the University Teaching Hospital and Levy Mwanawasa General Hospital; two large referral hospitals in Lusaka, Zambia.    Methods  This was a cross-sectional study involving retrospective collection of data on all poisoning cases recorded in hospital records from 1 January to 31 December 2012. A pretested data collection form was used to extract demographic and other data such as poisonous agents used, circumstance of poisoning, route and outcome of poisoning. All analyses were performed in STATA (StataCorp. 2013. Stata Statistical Software: Release 13. College Station, TX: StataCorp LP).    Results  A total of 873 poisoning cases were reviewed with almost similar proportions of males (52 %) and females (49 %). Poisoning cases were highest in the 0-12 years age category (36 %) followed by the 20-30 years age category (31 %). Accidental poisoning characterised most (65 %) cases in children aged < 13 years. The common route of exposure to poisonous agents was ingestion. Overall, the mortality rate was 2.6 per 100 cases, the majority of deaths were observed in men (78 %). Poisonous agents associated with most cases were pesticides (57 %) and pharmaceuticals (13 %).    Conclusions  The high risk of accidental poisoning observed in children calls for special health education on chemical safety, tailored for mothers and caregivers to prevent chemical exposure in this important age group whose access to toxic agents is mainly in homes or their immediate environment. The results also call for additional regulatory controls on pesticides and pharmaceuticals, which were the most common toxic agents.

Pattern of acute poisoning at two urban referral hospitals in Lusaka, Zambia