Emerg Med J 30:393-396 doi:10.1136/emermed-2012-201224
  • Original article

National audit of antidote stocking in acute hospitals in the UK

  1. Simon Thomas1
  1. 1National Poisons Information Service (Newcastle), Newcastle-upon-Tyne, UK
  2. 2National Poisons Information Service (Cardiff), Cardiff, UK
  3. 3National Poisons Information Service (Edinburgh), Edinburgh, UK
  4. 4Guys and St Thomas NHS Foundation Trust, London, UK
  5. 5College of Emergency Medicine, London, UK
  6. 6National Poisons Information Service (Birmingham), Birmingham, UK
  1. Correspondence to Dr Ruben Thanacoody, National Poisons Information Unit (Newcastle), 24 Claremont Road, Newcastle-upon-Tyne NE2 4HH, UK; ruben.thanacoody{at}
  1. Contributors RHKT made primary contributions to data collection and analysis, interpretation of results and writing of the manuscript. GA and WL contributed to data collection. All authors contributed to interpretation of results and revision of the manuscript, and all approved the final manuscript. RHKT is the guarantor.

  • Accepted 25 April 2012
  • Published Online First 8 August 2012


Background Inadequate stocking of essential antidotes in hospitals for the treatment of poisoned patients has been reported worldwide. Joint National Poisons Information Service (NPIS)/College of Emergency Medicine (CEM) guidelines for antidote stocking in UK emergency departments and acute hospitals were published in 2008.

Aim To determine the impact of these guidelines by surveying the availability of antidotes in acute hospitals in the UK.

Methods A two-page questionnaire consisting of antidote stocking information was distributed in 2010 to the Chief Pharmacist in all acute hospitals in the UK. The availability of 28 antidotes in the NPIS/CEM antidote guidelines as well as that of Intralipid was surveyed.

Results Surveys were completed for 196 of the 224 (87.5%) hospitals. Over 90% of hospitals had acetylcysteine, activated charcoal, dantrolene, desferrioxamine, naloxone, flumazenil and vitamin K available within the recommended time period. Pralidoxime was reported to be held in only 33% of hospitals, though pralidoxime is supplied by the Department of Health to 95 hospitals in the UK that act as holding centres. Cyproheptadine and viper venom antiserum were held in around 50% of acute hospitals. For the treatment of cyanide and toxic alcohol poisoning, more than one antidote is available. For cyanide poisoning, most hospitals held at least one antidote (usually dicobalt edetate) but 9 (5%) held none of the four antidotes. For toxic alcohol and glycol poisoning, most hospitals held ethanol for intravenous use but not fomepizole and 30 (15%) did not stock any antidote for toxic alcohol poisoning.

Conclusion Stocking of less commonly used antidotes is inconsistent. This is likely to result in delayed access to treatment and worse patient outcomes.


  • Competing interests None.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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0.5% - 43% response rate
3% - 41% response rate
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