Oath: The ethics of the medical profession. The ethical beliefs of the Hippocratic school. Law Conditions and method for learning medicine.
On ancient medicine: Eulogy of ancient medicine in contrast to newer systems. Critique of the view that all diseases have one and only one cause.
On the physician: Ethical observations on the appearance and behavior of the physician as well as on the exercise of his function.
On art: The essence of medical art. Content, object, and purpose of it.
On decorum: The physician who practices his function with propriety and integrity, the true Hippocratic physician.
Orders: The ethical rules that should govern medical science and practice.
Exclusions: Summary of the diagnostic, dietetic, therapeutic, and prognostic of the medical school of Kos.