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How Antibiotic Overuse is Harming Our Health, and What You Can do About It.

Written by Dr. Andrew Brandeis, CEO | Jan 9, 2023 6:00:00 AM

Antibiotics have been an integral part of modern medicine for decades, and for good reason. They have saved countless lives by effectively treating bacterial infections, such as pneumonia, strep throat, and urinary tract infections. However, in recent years, evidence suggests that doctors have been overprescribing antibiotics, leading to a host of negative consequences for individuals and the environment. As a physician, I’m always thinking about the fine line between using drugs when they are not necessary and making sure they’re effective when they are. 

First, overprescribing antibiotics leads to the development of antibiotic-resistant bacteria. When bacteria are repeatedly exposed to antibiotics, they can develop mechanisms to survive the drugs and continue to thrive. This can lead to the emergence of so-called "superbugs," which are bacteria that are resistant to multiple types of antibiotics. These superbugs can be difficult or even impossible to treat, leading to serious and potentially life-threatening infections. For example, Methicillin-resistant Staphylococcus aureus (MRSA) is a type of staph infection that is resistant to many antibiotics, including methicillin, penicillin, and amoxicillin.

Furthermore, overprescribing antibiotics can disrupt the delicate balance of the microbiome, the collection of microorganisms that live in and on our bodies. The microbiome is essential for maintaining good health, and antibiotics can kill off both good and bad bacteria, leading to imbalances that can lead to a host of health problems. For example, research has shown that the use of antibiotics in early life can increase the risk of developing allergies, asthma, and obesity later in life.

In addition to the negative impacts on human health, overprescribing antibiotics can also have significant environmental consequences. Antibiotics that are consumed by humans or animals can pass into the environment through sewage and agricultural runoff, where they can have detrimental effects on aquatic ecosystems. For example, research has shown that the presence of antibiotics in water can lead to the development of antibiotic-resistant bacteria in fish, which can then be transmitted back to humans through the food chain. 

So what can be done to reduce the overprescribing of antibiotics? One key step is for doctors to be more selective about when they prescribe antibiotics. If you are prescribed antibiotics, make sure you are treating an active bacterial infection, rather than placating a patient with a viral infection, which cannot be treated with antibiotics. Additionally, it is important to take the full course of antibiotics as prescribed, rather than stopping once you start feeling better. Antibiotics work by killing the least resistant bugs first, and eventually getting the most resistant. If you stop a course of antibiotics prematurely before all the bugs are dead, the most resistant are the ones who reproduce and become antibiotic resistant. Sopping a course of antibiotics prematurely is another leading cause of antibiotic-resistant bacteria. Finally, I recommend always using probiotics to replenish the beneficial bacteria in your microbiome after antibiotic use to help restore balance to your body’s ecosystem. 

In conclusion, while antibiotics have played a crucial role in modern medicine, the overprescribing of these drugs has led to negative consequences for individuals and the environment. To quell the development of superbugs and safeguard the human microbiome, doctors must be more selective about when they prescribe antibiotics and individuals need to be mindful of their own antibiotic use. By taking these steps, we can help to reduce the negative impacts of overprescribing and ensure that these vital drugs are used responsibly.