[Prevalence of hospital admission due to adverse drug reaction in Salvador, Bahia].

Objective: To determine the prevalence of hospital admissions due to ADR in Salvador, Bahia and their outcomes.

Methods: All patients admitted in four Sentinel Hospital (ANVISA) in Salvador-Ba were evaluated and followed to determine the prevalence of admissions due to ADR and their outcomes from April to December 2007. Cases were validated by 03 algorithms.