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  • Writer's pictureDr. David Della Morte Canosci


Antibiotic resistance, a growing global health concern, poses a significant threat to public health and medical advancements. Over the past few decades, the misuse and overuse of antibiotics have accelerated the development of antibiotic-resistant bacteria, rendering these life-saving drugs less effective. In this article, we will explore the general information surrounding antibiotic resistance, the impact it has on healthcare systems, and the strategies being implemented to combat this worldwide challenge.

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Antibiotic resistance refers to the ability of bacteria to withstand the effects of antibiotics, rendering them ineffective in treating bacterial infections. This resistance can occur naturally or be acquired through genetic changes within the bacteria. The misuse and overuse of antibiotics have contributed to the rapid emergence and spread of antibiotic-resistant bacteria. It is important to note that antibiotic resistance is not limited to human medicine but also affects veterinary medicine and agriculture, further exacerbating the problem.


The rise of antibiotic resistance has profound implications for public health and the global economy. According to the World Health Organization (WHO), by 2050, deaths caused by antimicrobial-resistant infections could surpass those caused by cancer. The economic impact is equally significant, with antibiotic resistance projected to reduce the Gross Domestic Product (GDP) of low-income countries by more than 5% and middle-income countries by 4.4%. Industrialized nations are also expected to experience a decline of 3.1% in their GDP. Furthermore, in Europe alone, approximately 33,000 deaths occur each year due to infections caused by antibiotic-resistant bacteria, resulting in a financial burden of around 1.5 billion euros on healthcare systems and productivity losses.


Italy, along with Greece and Romania, has one of the highest rates of antibiotic resistance in Europe. Gram-positive and Gram-negative bacteria, which differ in their cell wall characteristics, have shown alarming resistance rates in Italian hospitals. For instance, Klebsiella pneumoniae strains in Italian hospitals exhibit resistance rates of around 50% to carbapenems, a broad-spectrum class of antibiotics. The resistance rate for Acinetobacter is even more concerning, ranging from 80% to 90%.


To combat antibiotic resistance, various strategies are being implemented at both national and international levels. One crucial aspect is reducing the misuse and inappropriate use of antibiotics, not only in human medicine but also in veterinary medicine and agriculture. The National Prevention Plan in Italy emphasizes this aspect by focusing on surveillance, appropriate antibiotic use, infection prevention, training, and communication. It is vital for healthcare providers, including general practitioners and veterinarians, to use antibiotics strategically and judiciously to prevent the growth and spread of antibiotic-resistant bacteria.

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Investing in research and development for new antibiotics plays a crucial role in addressing antibiotic resistance. The development and introduction of new antibiotics must be closely monitored and globally shared. The discovery and approval process for new antibiotics can take several years, and it is essential to continually replenish the arsenal of effective antibiotics to combat resistant bacteria. Additionally, promoting research and innovation in alternative treatment approaches, such as phage therapy and immunotherapy, can offer potential solutions to the challenge of antibiotic resistance.


Addressing antibiotic resistance requires a collaborative and interdisciplinary approach known as "One Health." This approach recognizes the interconnectedness of human health, animal health, and the environment. By considering the complex interactions between these three domains, comprehensive strategies can be developed to mitigate the spread of antibiotic-resistant bacteria. This includes promoting responsible antibiotic use in both human and veterinary medicine, implementing infection prevention measures, supporting research and development, and raising awareness among healthcare professionals and the general public.


The rise of antibiotic resistance is a pressing global health concern that requires urgent action. The misuse and overuse of antibiotics have led to the emergence and spread of antibiotic-resistant bacteria, jeopardizing the effectiveness of these life-saving drugs. To address this challenge, a multifaceted approach is necessary, encompassing responsible antibiotic use, infection prevention, research and development, and a collective commitment to a One Health framework. By working together, we can preserve the efficacy of antibiotics and ensure a healthier future for generations to come.

Additional Information: Antibiotic resistance not only affects the treatment of bacterial infections but also has broader implications for medical procedures such as surgery, organ transplantation, and cancer treatments. The emergence of multidrug-resistant bacteria further complicates the treatment landscape, limiting the options available to healthcare providers. It is crucial to educate healthcare professionals, policymakers, and the general public about the importance of responsible antibiotic use and the need for sustainable solutions to combat antibiotic resistance.


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