Theoretical test: Multiple choice exam (25 questions) 4 points, and long and short answer exams (1 clinical case and 4 questions) 6 points: 60% of the final score. The pass mark is 5. Practices in classroom (analyses of published clinical trials and resolution of clinical cases related with drug interactions) and Laboratory practices (learning of the reporting system of suspected ADR and management of databases to detect drug interactions). Evaluation of Papers and Practices: 20% of the final score. Continued evaluation of the Classes, Seminars, during the course: 20% of the final note. To pass the course the qualification of the Theoretical Test has to be equal or superior to 5 out of 10 and practices to be passed. Those students who do not want to take part in the seminars (option they can choose in the first session) will be evaluated considering the theoretical test as the 65% and the practices as the 35% of the total.