This narrative review explores the intricate relationship between patient communication and medication adherence, delving into the significant impact of effective communication strategies on patient outcomes. Patient communication serves as a fundamental aspect of healthcare delivery, encompassing verbal and non-verbal exchanges that facilitate understanding, empathy, and collaborative decision-making. The review examines theoretical models, communication techniques, and challenges encountered in patient interactions, emphasizing the importance of clear, empathetic communication in promoting medication adherence. Medication adherence, defined as the extent to which patients follow prescribed medication regimens, plays a crucial role in disease management and treatment outcomes. Factors influencing adherence, consequences of non-adherence, and strategies for improving adherence are discussed, highlighting the complexity of medication adherence behaviors and the need for tailored interventions. Findings reveal a positive correlation between effective patient communication and medication adherence, underscoring the role of communication skills, patient education, and cultural competence in enhancing patient engagement and treatment adherence. The review also addresses implications for nursing practice, limitations of the review, and future research directions aimed at optimizing medication management and improving patient outcomes.