[Drug prescription patterns in patients attended at a middle- and high-complexity level institution].

Objective: Determining prescription patterns for outpatient medication authorised for patients affiliated to an EPS and assisted by medium- and high-level complexity IPS.

Methods: This was a cross-sectional study where medication prescription was evaluated in 331 second- and third-level complexity hospitals from 27 Colombian departments during 2006.

Results: 38 863 prescriptions for 3 663 patients' medication were analysed.