Zakariya Razi (Rhazes) - The Physician of 9th AD

During the 9th to 13th century AD, medical science was especially developed by Iranian and Arab physicians. Zakariya Razi (865–925 AD) was a prominent physician in the 9th AD, flourished medicine with his cogent ideas and literature. He introduced a new pattern of treatment and diagnostic tools to medical science when the world was unaware. He has written many pages in various fields of medical science like Kitāb al-ḥāwī fī l-ṭibb (The Comprehensive Book on Medicine), Kitab ul Murshid (The Guide), etc. His writings were considered as an ultimate reference in the world for a long time. Now a day, it is a need for time to explore and generalize his writings for research purposes and health assurance to mankind. In this manuscript, it is trying to gather his valuable works and contributions. Keywords: Rhazes, philosophy, the guide, Razi, History of unani medicine