The powerful saviour: Bacterial antibiotics.

 

Antibiotics are among the most important scientific discoveries in human history. They have saved millions of lives by treating bacterial infections that were once deadly. However, scientists are now warning of a growing global health crisis known as antibiotic resistance, and Kenya is not immune to this threat.

Antibiotics work by killing bacteria or stopping them from multiplying. Different antibiotics target different bacterial processes, such as cell wall formation or protein production. When used correctly, antibiotics are highly effective. However, when misused or overused, bacteria can adapt and become resistant. This means the drugs no longer work, making infections harder and more expensive to treat.



In Kenya, antibiotic misuse occurs in several ways. Some people take antibiotics without a prescription, stop treatment before completing the full dose, or use antibiotics to treat viral infections like flu and colds which antibiotics cannot cure. In agriculture, antibiotics are sometimes used in livestock to promote growth or prevent disease, contributing to the spread of resistant bacteria through food and the environment.

A study under the Child Health and Mortality Prevention Surveillance (CHAMPS) programme found Escherichia coli and Klebsiella pneumoniae bacteria resistant to key first-line antibiotics in post-mortem tests of children in Siaya and Kisumu counties, indicating a serious AMR problem among common infections.A 2025 cross-sectional study in Kisii County revealed high levels of antibiotic resistance across human, water, animal feces, and soil samples a sign that resistance genes are circulating through multiple parts of the environment. 

From a scientific perspective, antibiotic resistance occurs through natural selection. When antibiotics are used, most bacteria die, but a few with resistant traits may survive. These survivors multiply and pass on their resistance genes. Over time, resistant strains become dominant. Scientists have also discovered that bacteria can share resistance genes with each other, accelerating the spread of resistance.Reports indicate up to 40 % of antibiotic prescriptions in Kenya may be inappropriate, often driving resistance, while veterinary use contributes to resistant bacteria in the environment. 

The consequences of antibiotic resistance are severe. Common infections such as pneumonia, urinary tract infections, and wound infections become difficult to treat. Patients may need stronger, more expensive drugs, longer hospital stays, or may even die from infections that were once easily curable. The World Health Organization considers antibiotic resistance one of the biggest threats to global health.

Kenyan health professionals and scientists are calling for stronger antibiotic stewardship. This includes proper diagnosis before prescribing antibiotics, public education on correct use, and stricter regulation of drug sales. Research into new antibiotics and alternative treatments is also ongoing, but scientists warn that new drugs are not being developed fast enough to keep up with resistant bacteria.

Ultimately, antibiotic resistance is not just a medical issue; it is a scientific, social, and policy challenge. How antibiotics are used today will determine whether they remain effective for future generations.


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