In the past, our forebears lacked access to the advanced medical treatments we benefit from today. They endured the excruciating pain of surgeries with only natural remedies and folkloric solutions to rely on.
There were no certified professionals to administer anesthesia, leaving patients fully conscious and feeling every cut. As a result, herbal treatments and experimental mixtures were the only options to help those undergoing life-saving procedures.
While modern medicine now provides these essential tools, reaching this point required centuries of experimentation and discovery. Below are 10 pivotal moments that shaped the history of anesthesia.
10. Early Forms of Anesthesia in Ancient Times

The story of anesthesia and its primitive forms dates back to approximately 4000 BC, a time when medical practices were just beginning to emerge. It’s no surprise that ancient civilizations, particularly those in the region now known as the Middle East, relied on the opium poppy for its natural pain-relieving qualities.
Historical artifacts reveal that the opium poppy was utilized as early as 4000 BC for dental procedures, aiming to sedate patients and alleviate the intense pain of such operations. If you lived in an area where these plants thrived, you might have received a potent dose of this natural anesthetic before undergoing the excruciating experience of a bow drill on your teeth.
9. Beer

Opium wasn’t the sole option for easing the pain of surgical procedures. Beer also played a significant role in providing relief during these early medical interventions.
With origins potentially dating back 12,000 years, beer might have been created even earlier than bread. This makes it highly probable that beer was among the earliest methods used to alleviate general discomfort and, notably, the pain associated with surgical procedures.
In Sumeria, a renowned hub of ancient beer production, many individuals had ample access to this beverage, allowing them to consume enough to become intoxicated before surgeries. These brews were often infused with various herbs and flowers, whose pain-relieving properties helped dull the agony and kept patients still enough for successful operations.
8. Henbane

Despite being a highly toxic plant with pale yellow blooms, henbane has historically been employed as a traditional remedy to ease pain across civilizations, from Babylon to ancient Greece, Egypt, and Rome.
When smoked or applied topically to injuries, the plant does not act as a poison. However, ingestion can cause severe illness or even prove fatal. Similarly, the notorious belladonna was utilized across the Mediterranean region for pain relief, highlighting the lengths to which ancient people went to ease suffering in the absence of beer, wine, opium, or other intoxicants.
7. Modern Anesthesia

On December 24, 1298, an Italian doctor turned to an ancient remedy to manage his surgical pain. Known as Theodoric of Lucca, he had authored numerous medical texts, including works on veterinary science, before completing his masterpiece, Surgery, in 1266.
While his father, Hugh, also relied on opium for pain management, Theodoric innovated by soaking sponges in opium and placing them beneath the patient’s nose to deliver the drug directly to the brain. This method allowed patients to experience the full effects of the anesthetic.
Theodoric’s contributions marked a pivotal moment in the evolution of anesthesia, influencing how the medical community approached pain management. While opium had been used by surgeons since at least 4000 BC, Theodoric’s work formalized its use in medical texts, solidifying its role in surgical practices.
6. Ether

In 1540, German botanist Valerius Cordus successfully synthesized ether, a volatile, clear liquid known for its potent fumes. Despite its effectiveness, ether’s highly flammable nature posed significant risks, especially for surgeons operating by candlelight.
A single accidental spark or gust of wind could ignite the entire operating room. Despite its dangers, many considered ether a better alternative than having no anesthetic at all.
While Cordus is credited with synthesizing ether, it was Paracelsus, a maverick German-Swiss doctor who defied conventional medical practices, who delved deeper into its properties. He observed that it could induce unconsciousness in chickens.
During his experiments with ether on animals, Paracelsus also uncovered its pain-relieving capabilities, which were highly sought after by physicians and researchers of the time. This discovery marked the birth of early medical chemistry and the pursuit of effective anesthetics.
5. Nitrous Oxide

The next time you’re in the dentist’s chair, laughing under the influence of nitrous oxide, you can thank Joseph Priestley, an English scientist born in 1733. He first identified this substance in 1772.
His monumental work, Experiments and Observations on Different Kinds of Air, spanned six volumes, reflecting Priestley’s relentless dedication to his research. He is credited with discovering 10 new gases, though there remains some debate about whether he was the first to identify oxygen.
In 1800, Humphry Davy experimented by inhaling nitrous oxide himself, documenting its ability to induce uncontrollable laughter. He also tested its potential for painless surgeries on animals, though his findings had little influence on the medical field at the time.
Around two decades later, Samuel Cooley of America injured himself while under the influence of nitrous oxide and realized he felt little to no pain. This discovery cemented nitrous oxide’s role as a key anesthetic for generations.
4. Chloroform

In 1831, a groundbreaking discovery revolutionized anesthesia. Chloroform was simultaneously developed by Samuel Guthrie in the United States and Eugene Soubeiran in France. This potent chemical compound had a strong narcotic effect, capable of rendering individuals completely unconscious.
On November 4, 1847, James Young Simpson became the first to experiment on himself, using chloroform to induce a deep stupor, possibly even losing consciousness. This marked the beginning of chloroform as a tool for major medical procedures.
The issue?
At the time, chloroform had a fatality rate of approximately 1 in 3,000 patients, making it medically risky. Despite this, its use became fashionable during the Victorian era, with even Queen Victoria opting for chloroform during childbirth. Its popularity quickly spread across the UK and America.
3. And Beyond

Following heroin’s introduction, numerous opioid medications have flooded the market, contributing to what many describe as an epidemic. Today, anesthetics like ketamine and others are available, which do not rely on opium as their foundation.
Anesthesiology is a sophisticated and evolving field, with ongoing research into new drugs and methods to effectively manage pain. While alternatives exist and future advancements are promising, opium-derived products have remained a cornerstone in pain relief and surgical anesthesia for centuries.
Nevertheless, significant progress has been made. Anesthesia mortality rates have drastically decreased. In the 1800s, chloroform caused 1 death per 3,000 patients. By the 1980s, this figure dropped to 1 in 5,000, and by 1999, it improved to approximately 1 in 200,000–300,000.
Over the centuries, anesthesia and surgical practices have become far safer. Technological innovations have transformed procedures, yet the fundamental goal of alleviating surgical pain remains unchanged from the methods used by our ancestors millennia ago.
2. Heroin

In 1895, the German company Bayer introduced heroin as a pain reliever, despite its initial synthesis from morphine in 1874. For nearly two decades, heroin remained largely unused until Felix Hoffman, a German chemist, recreated it.
Within about 25 years, the dangers of heroin became apparent. By then, an estimated 200,000 individuals in the US alone were addicted. The US outlawed heroin well before other substances like cocaine and LSD faced similar bans.
From that point, heroin use shifted underground, experiencing fluctuating popularity. Despite its illegality, it continues to be used to dull both physical and emotional pain.
1. Morphine

Morphine was first extracted from opium in 1804, but its adoption was slow due to early animal tests often resulting in fatalities. Friedrich Wilhelm Serturner, its discoverer, later experimented with smaller doses on himself and reported positive effects.
With the invention of the hypodermic needle, morphine became a practical solution for pain management and entered commercial production. However, its addictive nature soon became evident, particularly among former soldiers.
Morphine addiction, dubbed “the soldier’s disease,” led to some restrictions in the late 19th and early 20th centuries. Despite this, morphine was never completely outlawed and remains a key component of modern medical treatments.
