15 Medical Treatments That Were Once Common
This article explores various historical medical practices that were once standard but have since been replaced by modern science.
- Sophia Zapanta
- 11 min read
Throughout history, humans have tried many strange ways to cure illness. Some of these methods seem scary today, but they were once considered the best available options. Doctors used their current knowledge to help patients, even if their tools were limited. This article looks at 16 specific treatments that were common in the past. We can see how much medicine has changed over the years. We no longer rely on things like bloodletting or toxic metals to fix our bodies. Learning about these old ways helps us appreciate how far we have come. Modern science is much safer and more effective than the ideas people used centuries ago. It is fascinating to see what people once believed would make them feel better. These stories remind us that medicine is always growing and learning from mistakes.
1. The Practice Of Bloodletting

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For a very long time, doctors believed that the body contained four main fluids called humors. If a person became sick, it was often blamed on having too much blood. To fix this, doctors would cut a vein or use leeches to drain some out. They thought this would restore balance and cure everything from fevers to simple headaches. Even famous leaders like George Washington underwent this process. Of course, losing a lot of blood actually made patients much weaker and more likely to die from their infections. It took a very long time for the medical world to realize that keeping blood inside the body was much better for health. Today, we only use similar methods for very specific blood issues.
2. The Use Of Medical Cannibalism

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In the past, some healers believed that human remains could cure various ailments. This practice involved using ground-up bones or dried flesh in medicines. People thought that by consuming parts of a healthy person, they could gain that person’s strength or vitality. For example, some believed that drinking blood could cure epilepsy. This was common in many parts of Europe during the sixteenth and seventeenth centuries. It sounds very strange and gross to us now, but it was once a widely accepted part of pharmacy. Eventually, science moved toward plant-based and chemical cures instead. This shift happened as people began to understand how the human body actually works and stays healthy.
3. The Application Of Soothing Syrups

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In the late 19th century, parents often gave their children special syrups to stop them from crying. These bottles were sold in many stores and promised to keep babies calm and happy. However, these mixtures often contained very dangerous ingredients like morphine and alcohol. While the syrups did make children sleep, they were also incredibly addictive and could cause serious breathing problems. Many babies were accidentally poisoned because the dosage was not regulated or safe. It was not until much later that governments stepped in to ban these harmful ingredients in children’s medicine. We now know that giving powerful drugs to infants is a terrible idea that can lead to permanent harm.
4. The Treatment With Toxic Mercury

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Mercury is a heavy metal that we now know is very poisonous to humans. However, for hundreds of years, it was used as a common cure for many different diseases. Doctors would give it to patients as a cream, a pill, or even as a vapor to be inhaled. It was most famously used to treat skin conditions and certain infections. While it might have killed some bacteria, it also caused the patient’s teeth to fall out and damaged their brain. People often suffered from tremors and severe mood changes because of the metal. It took a long time to prove that the cure was actually worse than the illness. We now use much safer antibiotics and creams to handle the issues mercury once treated.
5. The Use Of Tobacco Smoke Enemas

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During the 18th century, people believed that tobacco smoke could help save drowning victims. They thought the heat and stimulation of the smoke would jumpstart the heart and lungs. Rescuers would use a set of bellows to blow smoke into the person’s body. This method was also used to treat stomach cramps and other pains. It was a very common sight near rivers where people might fall into the water. Of course, blowing smoke into someone who is already struggling to breathe is not helpful at all. Science eventually showed that this practice provided no medical benefit and was actually quite harmful. We now use proper rescue breathing and chest compressions to help people instead.
6. The Discovery Of Heroin Cough Medicine

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There was a time when heroin was sold as a perfectly safe and non addictive cough medicine. A famous drug company marketed it for both adults and children around the turn of the century. They believed it was a better alternative to other drugs that were known to be habit-forming. People used it to treat common colds and persistent coughs without knowing the risks. It did not take long for doctors to notice that their patients were becoming heavily addicted to the medicine. The drug was eventually restricted and then banned for medical use in many countries. This serves as a major lesson in why new drugs need careful testing before they are sold to the public as safe for every family.
7. The Procedure Of Frontal Lobotomy

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In the middle of the 20th century, doctors performed a brain surgery called a lobotomy to treat mental health issues. They believed that cutting certain connections in the brain would help calm patients down. While the procedure did make people less aggressive, it often left them unable to speak or care for themselves. It was a very crude method that caused permanent brain damage in thousands of victims. The doctor who invented it even won a major prize for his work before the world realized how harmful it truly was. As better medications were developed, this surgery was finally stopped. We now focus on therapy and gentle medicine to help people who are struggling with their mental health.
8. The Reliance On Trepanation

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Trepanation is one of the oldest known surgical practices in human history. It involves drilling or scraping a hole into the human skull. Ancient people believed this would release evil spirits or pressure that caused headaches and strange behavior. Remarkably, some patients actually survived the process, as shown by healed bone found in old graves. It was used for thousands of years across many different cultures around the world. While doctors today sometimes remove a piece of bone to relieve brain swelling, the ancient version was based on magic and superstition. We have moved away from the idea that holes in the head can let out bad energy or cure a person of their mental struggles.
9. The Use Of Arsenic In Tonics

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Arsenic is famous today as a deadly poison, but it was once a popular ingredient in health tonics. People used it to improve their complexion or to give themselves more energy. It was even used in some types of makeup and wallpaper. Doctors prescribed it for a variety of conditions, including fevers and blood disorders. Small doses might not kill a person immediately, but the poison builds up in the body over time. This led to chronic illness, skin lesions, and eventually organ failure for many unsuspecting patients. It is hard to believe that people once thought eating poison would make them look and feel better. Modern medicine now keeps this toxic substance far away from our bodies.
10. The Application Of Hot Irons

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In the past, doctors used red-hot pieces of metal to treat wounds and stop bleeding. This process is called cauterization. While it did stop the blood loss by burning the flesh shut, it was incredibly painful and caused massive scarring. It was often used on the battlefield where doctors had few other options to save a soldier’s life. However, it also increased the risk of severe infections because the burned skin was very vulnerable. We still use a form of this today with electrical tools, but it is done under anesthesia in a clean hospital. The old way of using a fire and a piece of iron was a desperate measure that caused a great deal of suffering for anyone who had to endure it.
11. The Practice Of Malaria Therapy

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Before modern treatments were found, some doctors used malaria to treat other diseases. They intentionally infected a patient with malaria to cause a very high fever. The idea was that the extreme heat of the fever would kill off the other infection in the body. After the first illness was cured, the doctor would then try to treat the malaria with specific bark extracts. This was a very dangerous gamble because malaria itself can be a deadly disease. Many people did not survive the high fevers or the secondary infection. It was a very extreme way to try and save a life. This practice ended once safer drugs were discovered that could kill infections without needing a fever.
12. The Use Of Lead In Makeup

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For centuries, people used lead based powders to make their skin look very white. This was considered a sign of beauty and high social status in many cultures. However, the lead was absorbed through the skin and caused terrible health problems. Users would suffer from hair loss, rotting teeth, and damaged internal organs. Some people even died from using their makeup every day for years. Despite the obvious harm, the trend lasted a very long time because people valued their looks over their safety. It took many years for the public to realize that their beauty routines were actually killing them. We now have very strict laws to ensure that the things we put on our skin are safe to use.
13. The Treatment With Tapeworms

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At one point in history, some people intentionally swallowed tapeworm eggs to lose weight. They believed the parasite would live in their stomach and eat the food they consumed. This would allow a person to eat whatever they wanted without gaining any weight. While it did cause weight loss, it also caused malnutrition, nausea, and many other serious health problems. The worm could grow very long and cause blockages in the intestines or even move to other parts of the body. It was a very dangerous and disgusting way to try and stay thin. Modern health experts now focus on balanced eating and exercise instead of inviting a dangerous parasite to live inside the human body.
14. The Prescription Of Cocaine Toothache Drops

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In the late 1800s, cocaine was a common ingredient in many household items. It was especially popular in drops used to treat toothaches in children. Because the drug numbs the area it touches, it actually worked to stop the pain very quickly. However, it also made the users feel very strange and was highly addictive. Manufacturers sold it openly in pharmacies without any warnings about the side effects. It took a long time for the public and the government to understand that the drug was far too dangerous for casual use. Eventually, it was replaced by safer numbing agents that do not have the same addictive qualities. We now use much milder local numbing for dental work.
15. The Use Of Urine As A Cleanser

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Ancient doctors sometimes suggested using human urine to clean wounds or even to whiten teeth. They believed that the chemicals inside it had healing and cleaning powers. It was used as a mouthwash and a way to treat skin rashes in many different parts of the world. While urine is mostly water, it is also a waste product that can carry bacteria. Using it to clean a wound could actually lead to a much worse infection than the one being treated. The idea of using waste to stay healthy is something that modern science has completely moved away from. We now use sterile water and specialized soaps to keep our bodies clean and to help our wounds heal properly and quickly.
16. The Belief In Wandering Wombs

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Ancient Greek doctors believed that many health problems in women were caused by a womb that moved around the body. They thought the organ could float into the chest or head and cause breathing issues or headaches. To fix this, they would use strong smells to try and lure the womb back to its proper place. They might put bad smells near the head and sweet smells near the waist. This sounds very silly now because we know that organs are held firmly in place by tissues. This belief led to many ineffective treatments for women for hundreds of years. It was only after doctors began to study anatomy more closely that they realized the womb does not actually move around at all.