The First World War transformed military medicine. The scale of casualties, the severity of wounds and the conditions created by industrial warfare forced doctors, nurses and medical services to develop new ways of treating the wounded, controlling disease and responding to psychological trauma.
Medicine in the First World War
The First World War confronted medicine with problems on a scale that few medical services had previously experienced. Artillery, machine guns, gas and shrapnel produced severe injuries, while millions of soldiers had to be treated and moved through increasingly complex systems of medical care.
The medical response was not simply a series of isolated discoveries. Developments in battlefield evacuation, surgery, blood transfusion, X-ray diagnosis and specialist treatment were connected. Medical services became more organised as doctors and nurses attempted to keep pace with the demands of industrial warfare.
Many of the techniques used during the war were not new inventions. X-rays, blood grouping and aspects of reconstructive surgery had developed before 1914. The significance of the war was the enormous demand for their practical application and the rapid development of methods for using them to treat large numbers of casualties.
Medical Services and Evacuation
Treating wounded soldiers depended upon an organised system extending from the battlefield to hospitals further behind the lines. Stretcher bearers, field ambulances, casualty clearing stations, hospitals, nurses and specialist medical staff all formed part of this system.
The development of organised evacuation meant that treatment could be provided at successive stages. Casualty clearing stations became an important link between the battlefield and hospitals further from the fighting, while hospital trains and ships allowed severely wounded soldiers to be moved over considerable distances.
Medical Services and Evacuation in the First World War
Surgery and Plastic Surgery
The nature of industrial warfare produced severe wounds that demanded increasingly specialised surgery. Artillery and shrapnel could destroy bone and soft tissue, while facial injuries created particularly difficult problems for surgeons.
Reconstructive surgery and skin grafting developed significantly during the war. Harold Gillies became an important figure in this field, while the treatment of severely wounded men such as Walter Yeo demonstrated the possibilities and limitations of reconstructive surgery.
Surgery and Plastic Surgery in the First World War
Shell Shock and Psychological Trauma
Not all wartime injuries were visible. Prolonged bombardment, fear, exhaustion and combat produced psychological symptoms that became associated with the term shell shock.
Medical understanding of the condition changed during the war. Doctors encountered soldiers suffering psychological symptoms both after heavy bombardment and in other circumstances, while military authorities struggled to reconcile medical treatment with the demands of military discipline.
Shell Shock and Psychological Trauma in the First World War
Gas Warfare
Chemical weapons introduced another category of medical problem. Gas could damage the eyes, skin and respiratory system, while large numbers of soldiers could be affected by a single attack.
Medical services had to recognise different forms of gas injury, develop methods of treatment and work alongside the development of protective equipment and procedures for dealing with contaminated casualties.
Gas Warfare and Medical Treatment in the First World War
X-Rays and Medical Imaging
X-rays provided surgeons with a way of seeing injuries inside the body. This was particularly important when shrapnel or other fragments had become embedded in a wounded soldier.
The practical problem was how to make X-ray equipment available to military medical services. Mobile radiography developed during the war, including the work associated with Marie Curie, allowing X-ray diagnosis to be brought closer to wounded soldiers.
X-Rays and Medical Imaging in the First World War
Blood Transfusion
Severe wounds frequently involved major blood loss. The scale of casualties therefore created an urgent demand for reliable blood transfusion.
Developments in blood grouping, anticoagulation and blood storage made transfusion increasingly practical. The work of researchers and medical practitioners, including Oswald Hope Robertson, helped establish systems through which blood could be collected and made available for seriously wounded patients.
Blood Transfusion in the First World War
Disease and Medical Conditions
Wounds were only one part of the medical experience of the war. Soldiers also faced infectious disease, difficult living conditions and illnesses associated with prolonged military service.
The global movement of soldiers and civilians created further opportunities for infectious diseases to spread. The influenza pandemic of 1918 demonstrated how closely wartime movement connected military and civilian populations across the world.
Disease and Medical Conditions in the First World War
Medical Personnel
The medical response depended upon a large workforce. Doctors and surgeons treated injuries and disease, while nurses, stretcher bearers, ambulance personnel and other medical staff cared for casualties at different stages of evacuation and treatment.
Women played an important role in wartime nursing and medical services. The scale of the conflict also meant that medical care depended upon people performing many less visible tasks, from transporting casualties and maintaining hospitals to preparing equipment and supporting specialist treatment.
The organisation of medical services was therefore as important to wartime medicine as individual discoveries or surgical techniques.
Medicine and the Changing Nature of Injury
The development of wartime medicine was closely connected with changes in the way the war was fought. Artillery and machine guns produced large numbers of casualties, while chemical weapons created new forms of injury. Severe wounds could involve extensive damage to bone, tissue and internal organs.
Medical treatment consequently became a process extending well beyond immediate first aid. Casualties might require evacuation, diagnosis, surgery, blood transfusion, specialist treatment and prolonged recovery.
The relationship between military technology and medical response was not straightforward. New weapons created new injuries, but existing medical technologies could also be adapted and developed to meet those challenges.
Medicine and the Global War
The medical consequences of the First World War were not confined to the Western Front. Armies and medical personnel moved between continents, while disease, injury and medical treatment formed part of the wider systems created by a global conflict.
The Global Conflict 1914–1918 section places wartime medicine within the wider international context of imperial mobilisation, logistics, human movement and the consequences of the war.
Spanish Influenza
The influenza pandemic of 1918 emerged during the final stages of the First World War and spread rapidly across the world. Wartime mobilisation and the movement of soldiers and civilians formed part of the circumstances in which the disease spread between populations.
The pandemic demonstrates that the medical history of the First World War extended beyond battlefield medicine. Disease could cross the boundaries between armies, military camps and civilian populations and become a global consequence of wartime movement.
The First Case of Spanish Influenza
What Changed During the War?
The First World War did not produce a sudden revolution in every area of medicine. Many developments had begun before 1914, including X-ray diagnosis, blood grouping and aspects of reconstructive surgery. The war accelerated their practical application because medical services had to use them on an enormous scale.
Other problems exposed the limitations of contemporary medicine. Shell shock demonstrated how little was understood about psychological trauma, while infectious disease remained a major threat despite advances in medical science.
The experience of the war therefore combined rapid development with significant medical limitations. By 1918, medical services had developed substantially in response to the demands of industrial warfare, but many of the problems encountered during the conflict remained subjects of medical research long afterwards.
The Legacy of Wartime Medicine
The First World War contributed to the development of modern medicine by creating an enormous body of experience in treating severe wounds, managing large numbers of casualties and applying medical technologies under difficult conditions.
The effects extended beyond the battlefield. Surgical techniques, reconstructive surgery, radiography, blood transfusion and the organisation of medical services all continued to develop after 1918. The psychological and social consequences of wartime injury also remained important after soldiers returned to civilian life.
The war should therefore be understood not simply as a period of medical breakthroughs, but as a period in which existing knowledge was tested on an unprecedented scale, new techniques were developed and the limitations of contemporary medicine were exposed.
Medicine and the First World War in Context
The medical experience of the war is closely connected with the wider military history of the conflict. The Western Front provides the main context for much of the British medical experience, while the Battles and Campaigns section provides routes into the operations that generated many of the casualties treated by wartime medical services.
The First World War War Poetry section provides another perspective on wounds, death, psychological trauma and the experience of soldiers.
Further Reading
- Medicine on the Western Front, The National Archives — original records concerning medical services, evacuation, casualty clearing stations, treatment and the experiences of wounded soldiers.
- Medicine on the Western Front, The National Archives — original sources concerning shell shock, gas warfare, nursing and the experiences of medical personnel and patients.
- First World War medical records, The National Archives — surviving medical records relating to service personnel, including records of diseases, injuries and treatment.
- First World War medical collections, Wellcome Collection — digitised medical collections and material relating to military medicine, surgery and the experience of the First World War.
- First World War collections, Imperial War Museums — photographs, documents, objects and personal records relating to the medical experience of the conflict.
- First World War collections, British Library — digitised primary sources and collections relating to the war and its cultural and social history.
Explore the First World War
For the wider history of the conflict, return to the First World War hub.