In the first meeting, questionnaire will be applied, in order to assess knowledge, skills and attitudes in pharmacovigilance prior to EI. The instrument was elaborated based on previous studies. Second meeting will be comprise a lecture regarding the theoretical framework and importance of pharmacovigilance, and distribution of educational material, whose content includes the same issues of presentation. In the third meeting, a practical class will be performed to promote a discussion of a fictitious case of adverse drug reaction (ADR), in order to elucidate the correct fill of ADE form. In the fourth meeting, will be repeated the application of questionnaire, in order to assess the impact of EI. With the aim to verify change behavior of health professionals regarding pharmacovigilance activities, the number of ADE reports made prior and after intervention will be compared.