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Adherence to drug treatment is key to successful therapeutic intervention, especially in chronic conditions. This holds particularly true in the setting of cardiovascular diseases, because poor adherence may have serious adverse effects in terms of morbidity and mortality. Many factors may contribute to poor adherence, which can be either patient-related or dependent on the healthcare system, the physician and the environment. The identification and appropriate correction of these factors may result in both clinical and economic benefits. In this setting it is also important to assess the implications of the increasing use of generic or equivalent drugs on adherence to pharmacological therapy. This topic has recently been addressed by an important Expert Consensus Document, endorsed by the Italian Societies of Cardiovascular Disease and Prevention, which was published in the Giornale Italiano di Cardiologia. The document addressed the relevance of the problem, potential determinants and possible solutions.