Use of medicines in São Paulo, Brazil, and State Health Care Coverage, 2003 and 2015.

Objectives: To analyze the use and acquisition of medicines in São Paulo, Brazil, in 2003 and 2015, according to sociodemographic factors, socioeconomic status, and health conditions of the population.

Methods: Data were obtained from population health surveys "ISA-Capital". Descriptive analysis, bivariate analysis, and logistic regression models were used to evaluate the use of medicines and coverage by the Brazilian Unified Health System (SUS) according to socioeconomic status and health conditions in two periods: 2003 and 2015.