We do not take medications only when we are sick. We also use them in order to prevent disease, thereby improving our well-being and life quality. In either case, it is essential to make a careful and responsible use of the drug, following the advice of health professionals, including pharmacists.

This book t has the scientific coordination of Bruno Sepodes, Assistant Professor, Faculty of Pharmacy, University of Lisbon, and Ema Paulino, president of the Regional Chamber of Lisbon of the Pharmacists, and the institutional support of Infarmed, National Authority of Medicines and Health Products.