Palladius a Greek medical writer, some of whose works are still extant. Nothing is known of the events of his life, but, as he is commonly called Iatrosophistes, he is supposed to have gained that title by having been a professor of medicine at Alexandria

Alexandria

Alexandria is the second-largest city of Egypt, with a population of 4.1 million, extending about along the coast of the Mediterranean Sea in the north central part of the country; it is also the largest city lying directly on the Mediterranean coast. It is Egypt's largest seaport, serving...

. His date is uncertain; he may lived in the 6th or 7th centuries. All that can be pronounced with certainty is that he quotes Galen

Galen

Aelius Galenus or Claudius Galenus , better known as Galen of Pergamon , was a prominent Roman physician, surgeon and philosopher...

, and is himself quoted by Rhazes.
Three of his works are extant:

• Commentary on Hippocrates' On fractures
• Commentary on book VI of Hippocrates' Epidemics
• Commentary on Galen's On the Sects

His Commentaries on Hippocrates

Hippocrates

Hippocrates of Cos or Hippokrates of Kos was an ancient Greek physician of the Age of Pericles , and is considered one of the most outstanding figures in the history of medicine...

are in a great measure abridged from Galen; they appear to have been known to the Arabic writers. They have both of them come down to us imperfect.