Al-Razi's major medical works, particularly "Kitab al-Hawi" and his treatise on smallpox and measles, were translated into Latin during the Middle Ages. These translations made his ideas accessible to European scholars and physicians, who greatly valued his contributions.

Al-Razi's writings exerted a significant influence on European medicine during the medieval and Renaissance periods. His emphasis on clinical observation, rational analysis, and the importance of ethics in medical practice helped to shape the development of medical thought and practice in Europe.

Al-Razi is widely recognized as one of the greatest physicians in the history of medicine. His contributions to the understanding of diseases, his innovative treatments, and his emphasis on ethical practice continue to be appreciated and studied by medical professionals and historians of science.