ABSTRACT
OBJECTIVE: The characterization of drug users, especially as regards self-medication and the determination of its prevalence in the population studied. MATERIAL AND METHOD: About 413 people that had used drugs in the previous month were interviewed. RESULTS: From the interviewed, 69.9% used medicines and of those 76.1% were self medicated. Headache (28.8%) was the main complaint among the self-medicated group. Acetilsalicilic acid was the most frequently used medicine (25.4%). As regards the drugs utilized, 51.2% of the users had received a recommendation from a third party and 51.7% used old prescriptions, given in previous consultations. CONCLUSION: Age, schooling and absence of periodic medical consultation were significant statistical factors in self-medication.