Self-inflicted violence by exogenous poisoning in an emergency service.

Objective: To analyze the self-inflicted violence by exogenous poisoning reported in a health service.

Methods: Epidemiological, retrospective and analytical study in an emergency care in the city of Teresina, Piauí. The study took place in January and February of 2015, upon review of all cases of self-inflicted violence by exogenous poisoning reported to the Information System on Diseases of Compulsory Declaration, from 2009 to 2014.