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Emerg Med J ; 32(5): 383-6, 2015 May.
Artigo em Inglês | MEDLINE | ID: mdl-24957806


OBJECTIVE: 2,4-Dinitrophenol (DNP) increases energy consumption by uncoupling oxidative phosphorylation. Although not licensed as a medicine, it is sometimes used by 'body sculptors' and for weight loss as a 'fat burning' agent. This research was performed to characterise patterns of presentation, clinical features and outcomes of patients reported to the National Poisons Information Service (NPIS) in the UK after exposure to DNP. METHODS: NPIS telephone enquiry records and user sessions for TOXBASE, the NPIS online information database, related to DNP, were reviewed from 1 January 2007 to 31 December 2013. RESULTS: Of the 30 separate systemic exposures to DNP reported by telephone to NPIS during the study period (27 males, 3 females, with a median age of 23.5 years), there were 3 during 2007-2011 (inclusive), 5 during 2012 and 22 during 2013. TOXBASE user sessions also increased sharply from 6 in 2011 to 35 in 2012 and 331 in 2013. The modes of exposure reported in telephone enquiries were chronic (n=2), acute (n=12) and subacute (n=16). Commonly reported clinical features were fever (47%), tachycardia (43%), sweating (37%), nausea or vomiting (27%), skin discolouration or rash (23%), breathing difficulties (23%), abdominal pain (23%), agitation (13%) and headache (13%). There were five (17%, 95% CI 6.9% to 34%) fatalities, four involving acute overdose. CONCLUSIONS: The study indicates a substantial recent increase in clinical presentations with toxicity caused by exposure to DNP in the UK with an associated high mortality. Further steps are needed to warn potential users of the severe and sometimes fatal toxicity that may occur after exposure to this compound.

2,4-Dinitrofenol/efeitos adversos , Suplementos Nutricionais/efeitos adversos , 2,4-Dinitrofenol/envenenamento , Dor Abdominal/induzido quimicamente , Adolescente , Adulto , Acatisia Induzida por Medicamentos , Criança , Suplementos Nutricionais/envenenamento , Dispneia/induzido quimicamente , Exantema/induzido quimicamente , Feminino , Febre/induzido quimicamente , Cefaleia/induzido quimicamente , Humanos , Masculino , Náusea/induzido quimicamente , Centros de Controle de Intoxicações , Sudorese/efeitos dos fármacos , Taquicardia/induzido quimicamente , Reino Unido , Vômito/induzido quimicamente , Adulto Jovem