How to cite this article: KACHI Science and Communication. Rare Diseases: What Are Their Peculiarities for Pharmaceutical Marketing? KACHI Scientific Communication and Pharmaceutical Marketing [Internet]. 2025. Available at: https://kachi.com.br/blog-conteudo-cientifico-doenca-rara/   Contextualization of Rare Diseases In 2025, the World Health Organization (WHO) classified rare diseases as “a global health priority for equity and inclusion” and reinforced […]