Advances in Byzantine medicine: charity, knowledge and hospitals

Home » Culture » Advances in Byzantine medicine: charity, knowledge and hospitals

The history of Byzantine medicine is a long and fascinating journey that begins when Constantine transformed Byzantium into Constantinople, uniting the Greco-Roman past, Eastern influences, and the new Christian horizon. Over the course of more than a millennium, this medical tradition alternates between light and shadow: a pioneering hospital network, great compilers of knowledge and clinical practices far ahead of their time coexist with curious mystical and therapeutic beliefs. All this draws a complex healthcare landscape, between charity, science and faith..

Upon the death of Theodosius the Great, the Roman Empire split into two halves, with a vibrant Constantinople at the forefront of the East. In this context, Byzantine medicine inherited the Greek influence and filtered it through a society marked by Neoplatonism, mysticism, and ecclesiastical authority. There were no Western-style universities or a regulated medical profession, but there were powerful hospitals and an unprecedented culture of care..

From Byzantium to Constantinople: context and mentalities

With the refoundation of Byzantium as Constantinople in the 4th century, the Eastern Empire became a melting pot where Hellenistic and Roman influences met again with the East and Christianity. Philosophy and jurisprudence often overshadowed clinical practice, imposing a worldview where the Church set limits and priorities. Science, including medicine, is once again subordinated to religious orthodoxy..

The Byzantine intellectual milieu is permeated by Neoplatonism and a strong mystical undertone, which permeates medical theory and practice. This sometimes contradictory combination explains why the texts combine subtle clinical observations with ritual or astrological recommendations. Byzantine medicine moves between two poles: Hippocratic-Galenic reason and devotion.

Politically, after the death of Theodosius (395), the West continued to have its capital in Rome and the East established its epicentre in Constantinople. This momentum continued until 1453, when the Turks captured the city and the Middle Ages came to a close. In this broad time frame, Byzantine medicine goes through the Alexandrian and Constantinopolitan stages, leaving decisive traces..

Christian charity and the new doctor-patient relationship

With the spread of Christianity, caring for the needy acquired a doctrinal value of prime importance. During the High Middle Ages, a healthcare ethic emerged that elevated caring for the sick to the status of a work of charity, paving the way for practices that transformed the therapeutic relationship. Charity, not profit, guides care and expands who is served and how.

The ethics of care introduces new developments in practice. These are the essential guidelines established to guide healthcare conduct:

1. Medical care was to be provided out of charity., understood as Christian love.
2. It had to reach everyone equally.: men and women, free and slave, rich and poor.
3. The poor should be treated for free, without exception.
4. Also the incurable and dying They should receive medical and spiritual help, with consolation and moral support.

From shelter to hospital: xenodochias and foundations

Basil the Great built large health complexes around Caesarea, a collection of small buildings grouped around a church, inspired by Egyptian models. Their initial function was to accommodate foreigners: the xenodochias, literally shelters for foreigners. From that seed, the Christian hospital began to take shape in the Byzantine world..

The open-door philosophy is reinforced by an imperial decree attributed to Julian the Apostate, which mandated that all poor travelers be cared for, whether or not they belonged to one's own faith. This explains the rapid development of such centers: such institutions already existed in Edessa (375), Antioch (398), and Ephesus (451). The current even reaches the Nestorians, with shelters in Gundeshapur and probably along the Silk Road.

In 400, hospitals were founded in Jerusalem and Rome; in 512, in Lyon; and in 610, in Alexandria. In the East, the hospital system soon received imperial support, especially under Justinian, and gained distinctive features compared to Western hospices: Partially specialized services and medical care itself.

Institutional charity also benefited from notable figures. Basil of Caesarea organized one of the oldest hospitals in 370; the noblewoman Fabiola established an institution in Rome that cared for the poor and sick; and the brothers Cosmas and Damian practiced medicine free of charge until their martyrdom, becoming patrons of surgeons and pharmacists, respectively. Saint Luke and Saint Pantaleon were also doctors, uniting faith and profession.

How they worked: pharmacies, herbalists and regulations

Byzantine hospitals were not just shelters; they were places of research, healing, and learning. One of their pillars was the pharmacy, managed by a herbalist with several assistants, responsible for maintaining a fixed repertoire of raw materials. The list included myrrh, frankincense, gum ammonia, and reserves of flax grains..

The sourcing and preparation followed canons inherited from Greek tradition. A text known as the Memorandum of Byzantine Therapeutics compiled this ancient knowledge and served as a practical guide. At the same time, the art of the period reflected common botanical elements, such as pomegranates, dates, roses, and the Florentine iris. Nature inspired faith and, at the same time, filled medicine cabinets..

Over the centuries, direct care of the sick shifted in part from Hellenistic physicians to clerics and monks. Hospitals provided shelter to travelers and the sick, combining care with hospitality. More than business centers, they were institutions for practicing charity and medicine with a sense of community..

Great doctors, works and discoveries

Byzantium contributed a constellation of physicians and compendia that sustained the practice for centuries. Oribasius of Pergamon (325-403) is one of the great compilers: his Synagogai, in seventy volumes, brings together the best of Greco-Roman medicine with an iatrosophist sensibility, interested in rhetoric and philosophy. Among his contributions are the description of the semiology of spinal cord injuries and the effects of school punishment on behavior..

Aetius, or Aethion of Amida, shines with two complementary profiles. As Aetius, physician to Justinian I, he introduced oriental drugs such as camphor, sandalwood, zedoaria, cashew, myrobolan, and clove to the West, used liquid styrax for the first time, wrote sixteen books, and the word acne appears in his texts for the first time. As Aethion, he excelled in surgery, treating aneurysms in De vasorum dilatatione and advancing gynecology. His greatest practical contribution was to introduce the vaginal speculum and a method to immobilize the patient during the examination..

In gynecology, the posture is detailed with knees bent, thighs toward the abdomen, and legs wide open, holding a rope from one ankle to the knee, passing behind the neck to the other knee and ankle, avoiding movement during procedures. This description, shocking today, shows the search for control and visibility in a field that is still in its infancy..

Jacopus Psychestris, already in the 5th century, was a pioneer in the use of colchicum against gout, a line that Alexander of Tralles would perfect. Gout became a testing ground for new drugs, with an eye on gastric tolerance..

Alexander of Tralles (525-605), Grand Chamberlain of the Constantinople court, a traveling and original physician, left twelve books on practical medicine based on Hippocratic foundations. He recommended using colchicum in a controlled manner, mixing it, and protecting the stomach; he introduced Chinese rhubarb to Europe; and advocated evacuating measures such as purgatives, bloodletting, emetics, diuretics, sweating, enemas, and massages to extract diseased matter. He also attributes gonorrhea to a plethora of phlegm from prolonged abstinence, an example of the physiology of his time..

His writings also include prescriptions that are unacceptable today, such as eating green beetles or using black henbane collected with the index finger and thumb under certain constellations. The coexistence of empiricism and superstition coexisted without complexes in everyday practice..

Paul of Aegina (7th century) is the last great physician of classical Byzantium. His Epitome medicae or Hypomnema, a true medical bible, is organized into seven books: lifestyle and humoral pathology; fevers (high in acute cases, moderate in chronic cases); diseases organized from head to toe; dermatology; toxicology with opinions on poisons; a surgical treatise that conveyed obstetrics and surgery to the Islamic world and Europe, albeit with significant omissions; and a final compendium of simple and compound medicines. This last inventory includes ninety minerals, six hundred plants and one hundred sixty-eight animals..

He is also credited with a famous electuary, Sotira, based on Indian spikenard, myrrh, saffron, castor oil, opium, parsley, anise, celery, rush, false cinnamon, pepper, rhubarb, cardamom, and various resins. He practiced and wrote in Alexandria, and his texts were discovered there by the Arabs after the conquest. Abulcasis spread his surgical book throughout the Islamic world, from where it rebounded to Western Europe..

In later centuries, other names still shine: Michael Psellos, with a treatise on physiology and dietetics; Simeon Seth, a critic of Galen; Nicholas Mirepsos, with his Dynameron, replete with recipes in which superstition is evident; and, as early as the 14th century, John Actuary, of Hippocratic-Galenic bent, who placed the center of sensory and psychic life in the brain, performed animal dissections and vivisections, and perceived the movement of blood in the veins. His work closes the Byzantine era with dignity, without a magical mentality..

Other figures mentioned in tradition include Zeno of Cyprus and, transversally, Oribasius and Paul of Aegina. The professional network ranges from court doctors to encyclopedic clinicians and pioneer surgeons..

Therapeutics: between the natural and the supernatural

Byzantine therapeutics ranged from rational remedies to practices with a supernatural tinge. It was recommended, for example, to burn peony root as incense to ward off ghosts or attract prosperity if carried on one's person, and it was even claimed that a mentally ill person who ate it and remained in its smoke for two moon changes would recover. It was also mentioned to smear the face with heliotrope juice facing the East while invoking the sun to achieve happiness..

Along with these prescriptions, treatment was provided with well-established remedies: for pleurisy, aristolochia, hyssop, and cumin were suggested, with a warming and drying effect in accordance with humoral theory. Alexander of Tralles summarizes the purpose of the physician in adjust the body's imbalances: cool what is hot, heat what is cold, dry what is wet, and moisten what is dry. The evacuation of morbid matter was the operative core of the therapy.

Cathartics, emetics, diuretics and expectorants abound, accompanied by various pharmaceutical forms: fomentations, poultices, gargles, pessaries, pills, ointments, oils, cerates, eye drops, troches and inhalations. The repertoire of galenic forms is fully alive in Byzantium.

The Hippocratic corpus already mentions some two hundred herbal medicines, another set of animal origin belonging to at least ten major zoological groups, and a dozen mineral substances. Byzantium inherited and reorganized this arsenal, integrating it into its hospital pharmacopoeias. The continuity with Greece is palpable in medicinal plants, animals and minerals..

Botany, collectors and sellers of remedies

Theophrastus, with his works De Historia Plantarum and De Causis Plantarum, inaugurated systematic botany, classifying species by leaves, roots, stems, and growth stages. This taxonomic spirit survives in the Byzantine tradition, which draws on his categories to organize pharmacopoeias. Theophrastus' descriptive rigor became the backbone of the materia medica.

In the urban backroom, pharmacopolae produced all kinds of compounds, including abortifacients, cosmetics, and aphrodisiacs, while mygmatopolos roamed the streets selling remedies of dubious effectiveness. The health market combined craftsmanship, empiricism and many miraculous promises..

Teaching, compilation and transmission of knowledge

In Byzantium, European-style universities and uniform qualifications for practicing medicine did not materialize, so medicine did not consolidate as a regulated profession. Instead, hospitals became social centers as well as places of learning and practice. The classroom was, de facto, the hospital room and the library, the compendiums of the great authors.

Oribasius, Alexander of Tralles, Aetius-Aetion, and Paul of Aegina serve as the backbone of this formation, with works that compile, systematize, and update previous knowledge. Paul's Epitome, especially his treatise on surgery, is the great bridge to medieval Islam, from where it returns to Europe via Arab routes. Abulcasis acts as a vector of diffusion, multiplying the reach of Byzantine surgery.

The exchange is not only textual. Constantine VII Porphyrogenetus sent Abd-ar-Rahman III a manuscript of Dioscorides as a gift, and people and ideas circulated between courts and cities. These contacts reinforce a chain of Mediterranean transmission that keeps the classical legacy alive..

Stages, inequalities and decline

Studies tend to distinguish two major phases: an Alexandrian one, a direct heir to the Egyptian and Hellenistic schools, and a Constantinopolitan one, more courtly and monastic. In practice, the two overlap and influence each other. The tension between clinical observation and doctrinal authority runs through both stages.

Healthcare was not homogeneous: the wealthy could afford to hire the best doctors, while the poor often remained in the hands of empirical doctors or relied on hospital support. This bias coexisted, paradoxically, with the ethic of universality proclaimed by Christian charity. The network of xenodochias and hospitals cushioned that gap, but did not erase it..

Toward the final centuries, intellectual decline became more pronounced, with fewer great compilers and greater reliance on previous texts. Nevertheless, glimmers of hope emerged, such as those of John Actuary, who returned physiology to a naturalistic and cerebrocentric approach. In 1453 the fall of Constantinople closes the cycle, but its medicine leaves deep marks in Europe and Islam..

Essential chronology

• 33: death of Christ and birth of Christianity as an ethical framework for charity.
• 313: Edict of Milan; Christianity is recognized as an institutional force with rights.
• 330-395: consolidation of Constantinople and final division of the Empire after Theodosius.
• 1453: Capture of Constantinople by the Turks and end of the Middle Ages.

Byzantine medicine built hospitals that welcomed and healed, articulated a universal health ethic, compiled and transmitted Greco-Roman knowledge, and left physicians with canonical works as benchmarks, all while coexisting with ritual practices that are now outdated. This unstable balance between charity, institutional order, clinical observation and superstition is, perhaps, its most genuine feature..