Rhazes' Kitab al-Hawi

Rhazes’ "Kitab al-Hawi" (The Comprehensive Book) is an influential medical encyclopedia compiled in the 10th century. It consolidates and expands upon existing medical knowledge, covering topics like anatomy, diseases, treatments, and pharmacology. The work reflects Rhazes’ emphasis on observation, experimentation, and rational thinking, helping to advance medical practice in the Islamic world and later in Europe. It served as a foundational reference for centuries, guiding physicians in diagnosis and therapy, and highlighting the importance of empirical evidence in medicine. Overall, it represents a systematic effort to organize medical knowledge for practitioners.