Dark Vocations 18 – Medieval Doctors
Medieval medicine was not just a catalogue of grotesque treatments, it was a social role shaped by class, religion, fear and power. Doctors occupied an uneasy place in medieval society. They were needed, distrusted, sometimes respected and sometimes feared. Their work dealt directly with blood, decay and death, things most people preferred not to think about until they had no choice.
This article explores who medieval doctors actually were, how they were trained, who they treated, and how society viewed them. It also examines the thin line between healer and heretic, and why some medical practitioners risked being branded as witches.
The focus is on Western Europe, particularly England, from roughly the 5th century to the late 15th century.
What “Medieval” Means
The medieval period, from the Latin medium aevum meaning “middle age”, sits between the fall of Roman authority in Western Europe around AD 476 and the start of the early modern world in the late 1400s.
Medical knowledge during this time was inherited rather than discovered. Ancient authorities such as Hippocrates and Galen were treated as unquestionable. To challenge them was not science – it was arrogance, or worse, heresy.
The Medieval Doctor’s Worldview
Medieval doctors believed the human body was governed by the four humours: blood, phlegm, yellow bile and black bile. This idea came from ancient writers such as Hippocrates and Galen, whose works were treated almost as scripture.
Illness was thought to occur when these humours fell out of balance. Too much blood caused fevers and madness, excess black bile led to melancholy. Treatment was aimed at restoring balance, often by removing fluids from the body in frankly horrific ways.
The medieval doctor did not usually perform surgery himself. That work was considered manual labour and beneath a learned man. Instead, surgeons, barber-surgeons and apothecaries handled the physical horrors while physicians prescribed and observed.
Bloodletting: Bleeding the Life Away
Bloodletting was the most common and destructive treatment of the Middle Ages. It was used for everything from headaches to plague.
A patient would be restrained while a vein was opened using a fleam or lancet. Blood flowed into bowls, sometimes until the patient fainted. Charts told doctors which vein to open depending on the illness and even the position of the moon. Bleeding at the wrong time was believed to be deadly.
Leeches were also used, particularly on sensitive areas such as the face, gums or genitals. A severe illness might require dozens applied at once, leaving the patient weak, pale and dizzy.
In many cases, blood loss killed patients who might otherwise have survived.
Surgery Without Mercy or Anaesthetic
Medieval surgery was fast, brutal and unimaginably painful. There was no effective anaesthetic. At best, a patient might be given alcohol, opium or henbane to dull the pain. More often, they were simply held down.
Amputations were common due to infected wounds or gangrene. Surgeons worked quickly, sawing through bone in seconds. The stump was then cauterised with red-hot iron to stop bleeding. The smell of burning flesh was considered a good sign.
Trepanation was another common procedure. A hole was drilled into the skull to release evil spirits or pressure thought to cause madness, seizures or headaches. Many patients died of infection. Some survived with permanent damage.
Instruments were reused without cleaning. Infection was almost inevitable.
Filth, Faeces, Urine and Rotting Flesh as Medicine
Medieval remedies often involved substances that today would be classed as waste.
Human urine was used to clean wounds and diagnose illness by taste and colour. Faeces, both human and animal, were applied as poultices. Dried dog droppings were prescribed for sore throats. Goose fat, frog skin and powdered earthworms appeared in medical recipes.
One particularly grim cure for infection involved placing slices of mouldy bread onto open wounds. While this was done for the wrong reasons, the mould sometimes contained penicillin-like compounds. This rare accident of effectiveness did nothing to redeem the overall filth.
Doctors also believed that foul smells could drive out disease. Patients were forced to inhale burning hair, rotting meat or sulphur.
Plague Doctors and the Theatre of Death
During outbreaks of plague, doctors adopted the now-famous beaked mask. Inside the beak were herbs, spices and flowers meant to filter out poisoned air, known as miasma.
Plague doctors were often inexperienced or desperate men. Many were hired cheaply by cities abandoned by skilled physicians. Their job was not to cure, but to count the dead, record symptoms and offer comfort.
Treatments included lancing buboes, rubbing mercury into sores, and bloodletting the already dying. Mortality rates were catastrophic.
The mask, cloak and gloves gave the doctor an inhuman appearance, a walking symbol of fear and death.
Medicine, Sin and Punishment
Illness was often seen as a moral failing. Leprosy, for example, was associated with sin and sexual corruption. Sufferers were cast out, forced to ring bells to warn others of their presence.
Doctors sometimes prescribed prayer, pilgrimage or public confession alongside physical treatments. Astrology guided diagnoses. A wrong alignment of planets could doom a patient before treatment even began.
Medical knowledge from the Islamic world, preserved and expanded by scholars such as Avicenna, slowly filtered into Europe, but progress was slow and uneven.
So, Who Became Medieval Doctors?
Learned Physicians
Physicians were the elite of medieval medicine. Almost all were men, and almost all came from wealthy or well-connected families. Formal medical education required literacy in Latin, years of study and the ability to travel to a university.
These men rarely touched patients directly. They diagnosed by examining urine, checking pulses and reading astrological charts. Their hands remained clean (well, relatively clean for the time) while others carried out the bloody work.
Physicians dressed well, spoke formally and aligned themselves with the Church and the educated classes. They were as much scholars as healers.
Surgeons and Barber-Surgeons
Below physicians were surgeons, and below them barber-surgeons. These men performed amputations, drained abscesses, set bones and pulled teeth.
Barber-surgeons were tradesmen. Their shops displayed the red and white pole that symbolised blood and bandages. They cut hair, shaved beards and cut flesh in the same space, often using the same tools.
They learned through apprenticeship, not books. Their work was practical, filthy and dangerous. They were respected for their skill, but rarely admired.
Women in Medieval Medicine
Women were excluded from universities and barred from becoming licensed physicians. Yet they played a huge role in healthcare.
Midwives were the most prominent female medical practitioners. They handled childbirth, contraception, miscarriages and infant care. Many women also acted as healers, herbalists and wise women within their communities.
Their knowledge came from tradition and experience. This made them valuable, but also vulnerable to frightening accusations, but more on that later.
Training and Education
University Medicine
Formal medical training took place at universities such as those in Paris, Bologna and Oxford. Students studied ancient texts, logic, philosophy and astrology before even touching medicine.
Human dissection was rare and controversial. Many students graduated without ever seeing the inside of a body. As a result, theory ruled over observation.
A trained physician might spend years studying urine charts, planetary movements and the four humours without learning how to treat a wound.
Apprenticeships
Surgeons and barber-surgeons learned on the job. An apprentice would watch procedures, assist, then eventually perform them under supervision.
This training was brutal but effective. Surgeons understood anatomy far better than physicians, even if they lacked social status.
How Were Doctors Viewed by Society?
Medieval doctors inspired mixed feelings.
Physicians were respected, but often mocked for their arrogance and failure to cure. Their flowery language and expensive fees made them symbols of privilege.
Surgeons were feared. They dealt in pain, blood and mutilation. Patients dreaded seeing them, but sought them out in desperation.
Healers and midwives were trusted locally, but suspicion followed them. Knowledge without official sanction was dangerous.
Doctors were often blamed when patients died, especially during epidemics. Failure could quickly turn respect into hatred.
Who Did They Treat?
Medical care was not equal.
The wealthy received attention from physicians, multiple consultations and carefully recorded diagnoses. The poor relied on barber-surgeons, monks, nuns, wise women or home remedies.
Hospitals existed, but they were closer to hospices. Many were run by religious orders and focused on spiritual care rather than cure.
Plague doctors, during outbreaks, treated anyone who remained alive long enough to be examined.
Was Medicine Lucrative?
For physicians, yes. A successful doctor serving nobility or royal courts could become extremely wealthy.
Surgeons earned modest but steady incomes. Barber-surgeons relied on volume, not prestige.
Midwives and healers were often paid in food, goods or favours rather than money.
For many, medicine was not a path to riches. It was dangerous, exhausting and carried social risk.
Healers, Heresy and Witchcraft
As discussed earlier, the medieval doctor’s knowledge came from tradition and experience. This made them valuable, but also vulnerable to frightening accusations The line between medicine and magic was dangerously thin.
Herbal remedies, charms and spoken prayers were common. When treatments worked, healers were praised. When they failed, accusations followed.
Women were especially vulnerable. A midwife whose mother and child both died might be accused of witchcraft. Knowledge of herbs could be reframed as dealings with demons.
While most witch trials occurred later, in the early modern period, medieval attitudes laid the groundwork. A healer who operated outside Church approval risked punishment, exile or execution.
Male physicians were rarely accused. Their authority protected them.
Religion and Its Grip on the Medieval Doctor
Religion dominated every part of medieval life, and medicine was no exception. For the medieval doctor, Christianity was not simply a belief system. It was an authority that shaped how illness was understood, how treatment was justified and how far medical knowledge was allowed to go.
While faith offered comfort, it also placed severe limits on medical progress and often turned healing into an act of obedience rather than understanding.
Illness as God’s Will
Disease was commonly viewed as a punishment for sin or a test sent by God. This belief discouraged investigation into natural causes. If illness was divinely ordained, then searching too deeply for earthly explanations could be seen as questioning God’s plan.
Doctors were expected to treat the soul as much as the body. Prayer, confession and repentance were often prescribed alongside physical remedies. In some cases, they replaced them entirely. A patient who failed to recover was assumed to be spiritually flawed rather than medically mistreated.
The Authority of the Church Over Knowledge
The Church controlled education and literacy. Universities, libraries and hospitals were religious institutions, and medical learning had to fit within Christian doctrine. Ancient texts were preserved, but rarely challenged.
Human dissection, vital for understanding anatomy, was restricted or discouraged. The human body was considered sacred, and cutting it open was viewed with suspicion. As a result, many doctors learned anatomy from books rather than bodies, repeating errors for centuries.
Questioning accepted authorities such as Galen risked accusations of arrogance or heresy. Innovation was dangerous in a world where intellectual obedience was prized.
Medicine Entangled With Sin and Morality
Certain diseases were linked to moral judgement. Leprosy was associated with sexual sin. Mental illness was blamed on demonic possession. Women’s health problems were often dismissed as spiritual weakness or punishment.
Doctors sometimes refused treatment to those deemed morally corrupt, or prescribed religious penance instead of care. This reinforced suffering rather than alleviating it.
Fear of Heresy and Witchcraft
As already mentioned, medical practice that strayed from approved methods could attract suspicion. Herbalists, midwives and healers who relied on traditional knowledge rather than Church-sanctioned texts were especially vulnerable.
Success might invite suspicion while failure invited blame and accusations. This was true for women in particular.
Doctors learned to censor themselves. Treatments were framed as God-guided rather than experimental. Progress slowed as safety lay in repetition, not discovery.
Plague, Prayer and Powerlessness
During plague outbreaks, religious influence was at its most destructive. Doctors often believed the disease was sent by God as punishment. Rather than focus on sanitation or containment, communities were encouraged to pray, fast and perform public acts of repentance.
Flagellant movements marched through towns whipping themselves bloody in the belief that suffering would appease divine anger. These gatherings often spread disease further, worsening the crisis.
Doctors who questioned this approach had little authority, faith overruled evidence.
A Profession Shackled by Faith
Religion did not make medieval doctors cruel, but it made them cautious, constrained and fearful. Medical practice became an extension of theology rather than a challenge to it.
In a world where God was believed to control life and death, the doctor’s role was not to understand the body, but to submit to divine order. This obedience delayed medical progress for centuries and ensured that suffering remained both physical and spiritual.
For the medieval doctor, healing was never just a matter of skill. It was an act carried out under constant religious scrutiny, where saving a life could be less important than preserving faith.
10 Weird Things Medieval Doctors Believed
Below is a list of ten strange and unsettling cures used by medieval doctors. These were genuine treatments recorded in medical texts and household remedy books of the time.
- Bloodletting for Almost Everything
Patients were deliberately bled to restore balance to the four humours. Veins were opened with blades until bowls filled with warm blood. Weakness, fainting and death were common side effects.
- Leeches on Sensitive Body Parts
Leeches are still used today in medicine but back then they were employed with wild abandon. Leeches were applied to the face, mouth, anus or genitals to draw out “bad blood”. They were prized tools, carefully stored and reused, often leaving infected bite wounds behind.
- Drinking Ground Human Bones
Powdered skull or bone, usually taken from executed criminals, was mixed into wine or water and swallowed as a cure for epilepsy, headaches or internal bleeding.
- Faeces as a Healing Poultice
Human and animal excrement was smeared onto wounds to treat infection. Dog droppings were used for throat infections, while pigeon dung was applied to inflamed eyes.
- Urine Diagnosis and Treatment
Doctors inspected urine for colour, smell and sediment. Urine was also used to clean wounds, wash skin diseases and sometimes drunk as a supposed internal cleanser.
- Dead Animals Applied to the Body
To treat plague sores or infections, doctors strapped split-open chickens, pigeons or puppies to the patient’s skin, believing the animal would draw out poison as it died.
- Mouldy Bread on Open Wounds
Slices of stale, mould-covered bread were pressed into cuts and abscesses. While sometimes accidentally helpful due to the presence of penicillin, they more often caused severe infection and rot.
- Mercury Rubbed into Sores
Mercury ointments were used to treat skin diseases and sexually transmitted infections. Patients suffered blistering, tooth loss, madness and mercury poisoning.
- Burning Hair and Rotting Meat for “Bad Air”
Patients were forced to inhale smoke from burning hair, hooves or decaying flesh to drive away disease-causing vapours. The smell alone caused vomiting and collapse.
- Drilling Holes in the Skull
Trepanation involved cutting or drilling into the skull to release evil spirits thought to cause madness or seizures. Infection was common, and many patients never survived.
These cures reflect a medical world driven by fear, tradition and misunderstanding. To a medieval patient, seeking treatment often meant enduring horrors that rivalled the illness itself.
10 Things Medieval Doctors Got Right (whether by accident or not)
Below is a list of ten things medieval doctors actually got right, despite their limited knowledge and often horrifying methods. While many of their beliefs were wrong, some practices showed real observation, practicality and early scientific thinking.
- Cleaning and Dressing Wounds
Although they did not understand germs, medieval doctors recognised that dirty wounds festered. Washing injuries with wine, vinegar or boiled water and covering them with clean bandages often reduced infection.
- Using Alcohol and Opium for Pain Relief
Wine, ale and opium-based preparations were used to dull pain during surgery or after injury. Crude and dangerous, but better than nothing, these substances did provide genuine relief.
- Herbal Remedies with Real Effects
Many plants used in medieval medicine had genuine medicinal properties. Willow bark reduced pain and fever. Garlic helped fight infection. Honey was used to treat wounds and burns with real antibacterial benefit.
- Mouldy Bread as an Accidental Antibiotic
While pressing mouldy bread onto wounds was done for the wrong reasons, some moulds contained penicillin-like compounds that slowed infection, occasionally saving lives.
- Quarantine During Plague Outbreaks
Doctors and city authorities learned that separating the sick from the healthy slowed the spread of disease. Isolation, travel bans and house markings were crude but effective public health measures.
- Recognising the Importance of Diet
Medieval doctors believed food affected health, and they were often right. They advised lighter diets during illness and recognised that poor nutrition weakened the body.
- Understanding That Surgery Required Speed
Without anaesthetic, medieval surgeons worked quickly to reduce suffering. Their emphasis on speed improved survival during amputations and emergency procedures.
- Setting Broken Bones and Splinting
Surgeons had a solid understanding of fractures. They realigned bones, used splints and bandages, and recognised the need for rest while healing took place.
- Observing Patterns of Disease
Doctors carefully recorded symptoms and outcomes, especially during epidemics. These records helped later generations understand diseases like plague and leprosy.
- Emphasising Clean Air and Ventilation
While based on the mistaken idea of “bad air”, doctors encouraged fresh air, open windows and avoidance of foul-smelling places. Better ventilation genuinely reduced illness in crowded spaces.
Medieval medicine was deeply flawed, but it was not pure ignorance. Within a world ruled by tradition and fear, doctors still made observations that laid the groundwork for later medical progress.
A Profession Caught Between Life and Death
Medieval doctors existed in a world where disease was constant and understanding was limited and often contradictory. They worked with rotting flesh, screaming patients and the certainty that many would die no matter what they did.
Some were sincere while others were cruel or cynical. Many simply repeated what they had been taught, believing obedience to tradition was safer than innovation.
To the medieval patient, the doctor was both hope and a threat. A learned man or woman standing at the bedside, carrying knives, leeches or prayers, offering salvation or agony.
In a time when medicine could kill as easily as cure, that uncertainty was its greatest horror.
© Colin Lawson Books