The issue of antibiotic resistance has reached alarming proportions in Nigeria. Just the other day, my mother, a retired nurse, begged me to be extra vigilant as regards mosquitoes, saying that malaria drugs are no longer effective. The conversation aroused my curiosity (and no small degree of morbid fear) and prompted me to research the issue, and ultimately to pen the article that you are reading right now.
Antibiotic resistance, when bacteria evolve to withstand the drugs designed to kill them, renders once-curable infections harder to treat, increases mortality and strains the healthcare system. The issue has reached crisis levels in the country. A natural question to ask at this point is “How did we get here?” The answer is through weak antibiotic regulation and widespread misuse of antibiotics. The two have combined to create a silent but deadly public health crisis.
Despite national laws restricting over-the-counter sales, enforcement remains weak. Across the country, antibiotics are sold without prescriptions in markets, roadside kiosks and unregistered pharmacies. Some two million pharmaceutical retail outlets are unlicensed, according to the Pharmacists Council of Nigeria (PCN). They play a key role in fueling a culture of indiscriminate antibiotic use but it is also important to remember that they are responding to market demand. We as citizens seem to have formed a habit of using antibiotics for just about any ailment without medical guidance.
The issue of self-medication is no doubt, partly brought on by our chronic economic challenges, and limited access to formal healthcare. Economic hardship and long distances to health facilities push many people to self-medicate through informal vendors. The confluence of weak enforcement of laws, regulatory gaps poor pharmacovigilance has led to a situation where health authorities find it difficult to monitor antibiotic consumption and track resistance patterns. The lack of discipline on the part of some members of the public as regards completing their dosages further compounds the problem by fueling partial resistance.
The consequences of all these are devastating. Infections once easily cured now linger, leading to prolonged illness, higher treatment costs and increased risk of death. According to the Global Burden of Disease Study (2019), antimicrobial resistance (AMR) was linked to over 263,400 deaths in Nigeria, accounting for nearly 20 per cent of all AMR-associated deaths in Africa. Experts warn that the toll is likely higher today because of increasing misuse and weak surveillance.
For families, this means more hospital visits, reduced productivity and emotional distress. For the healthcare system, it means clinician burnout and rising treatment costs.
Women, often primary caregivers, bear a disproportionate burden, juggling the emotional toll of caring for sick relatives and the financial cost of repeated treatment failures.
Children are also at heightened risk. Infections such as pneumonia, sepsis and typhoid are becoming resistant to first-line antibiotics.
It gets worse. Antimicrobial resistance extends beyond hospitals. AMR cuts across humans, animals and the environment. Nigeria’s use of antibiotics in agriculture, especially for growth promotion and disease prevention in poultry and livestock, is a major concern.
Runoff from farms and pharmaceutical waste contaminate soil and water, spreading resistant organisms into the human environment. Coordinated action is required to deal with this integrated health challenge. Approaches that integrate human, animal and environmental health, must be institutionalized at the state level where most disease outbreaks originate.
Unless we regulate antibiotics across all sectors, resistance will keep moving through our food, water and air.
There has been some progress in the fight against AMR. Through its National Action Plan on AMR, the Nigeria Centre for Disease Control and Prevention (NCDC) has recorded some success, yet challenges persist.
Only a fraction of hospitals participate in the national AMR surveillance network. Many laboratories lack diagnostic reagents, standardized reporting systems and trained personnel. Without reliable data, clinicians often prescribe blindly, guessing the right drug instead of relying on lab results. This accelerates resistance.
Efforts to improve public awareness are ongoing. The NCDC and partners educate communities on responsible antibiotic use. Civil society groups are leading grassroots sensitization across schools, markets and media platforms to promote responsible drug use.
Awareness however, is not enough. It must translate into sustained behavioural change supported by stronger regulation and equitable access to quality healthcare.
Some African nations offer lessons. Kenya has implemented a national antimicrobial stewardship programme and a digital tracking system for antibiotic use, while Ghana enforces prescription-only antibiotic sales and regularly audits pharmacies for compliance. Nigeria can draw from these models to strengthen its regulatory and enforcement systems.
While challenges remain immense, hope lies in collective commitment. If the government enforces pharmaceutical laws, healthcare professionals champion antibiotic stewardship and citizens avoid self-medication, Nigeria can slow the spread of resistance.
The price of inaction is too high, but a united response offers a future where medicines work again, infections are treatable and families can trust their healthcare system once more.
Background
Antibiotic resistance is a textbook case of Charles Darwin’s Theory of Evolution in action. In Darwin’s theory, evolution takes place by a mechanism known as natural selection, which is means by which some members of a population but not others are able to reproduce and pass on their genes to the next generation. This happens because of the following:
- In any large population of organisms (in this case bacteria) there will exist a significant amount of genetic variation.
- Some individuals in the population will genetic traits that confer a survival advantage.
- These individuals are more likely to reproduce, passing on their advantageous traits to the next generation.
- Over time, the population evolves as these traits become more common.
Now when antibiotics are introduced to kill bacteria, they create a selective pressure. Now as a result of the genetic variation described earlier, some members of the bacterial population will slightly less vulnerable to the selective pressure brought on by the antibiotics. The genetic variation occurs as a result of random genetic mutation. The mutations can affect things like:
- Cell wall structure thus making harder for antibiotics to penetrate those specific bacteria.
- Enzyme production, causing enzymes to be produced that help those specific bacteria to survive in the face of the antibiotics.
- Efflux pumps that eject antibiotics
Now when exposed to antibiotics, those slightly less vulnerable bacteria tend to survive and multiply while the slightly more susceptible ones die off. As the slightly less vulnerable bacteria continue to multiply, overtime, the population is dominated with bacteria resistant to antibiotics.
A well-known case globally of the phenomenon just described is that of Methicillin-Resistant Staphylococcus Aureus (MRSA). It evolved resistance to a class of antibiotics known as beta-lactam antibiotics. As a result, hospitals unknowingly became breeding grounds as a result of high antibiotics use.
It is important for members of the public to absorb the following lessons:
- Overuse and misuse of antibiotics (e.g., in agriculture or for viral infections) increase selective pressure.
- Resistance leads to hard-to-treat infections, longer hospital stays, and higher mortality.
- It’s an evolutionary arms race—as we develop new antibiotics, bacteria evolve new defenses.
As the articles shows, Nigeria has made commendable efforts to tackle the menace of antibiotic resistance but a lot more needs to be done. Some of the things currently not done or that require increased efforts include the following:
Expand access to rapid diagnostics – Many healthcare facilities lack the tools to identify resistant infections quickly. To combat this, investment in point-of-care diagnostics and expansion of lab infrastructure nationwide is required, especially in rural and peri-urban areas.
Strengthen Data Collection and Surveillance – Current surveillance systems in Nigeria are fragmented and underfunded. What needs to be done is that a centralized AMR data platform needs to be built to track resistance patterns across hospitals, farms, and communities. This will improve reporting compliance and data sharing between sections of society.
Promote Research and Innovation – There is limited funding and infrastructure for AMR-related research. Support for local R&D into new antibiotics, vaccines, and alternative therapies needs to be scaled up. Partnerships for carrying out joint R & D between universities, startups, and global health organizations should be encouraged.
Some of the issues have already been raised in the article like weak enforcement of laws that proscribe unlicensed sales and irresponsible antibiotics use by the public. As regards misuse of antibiotics, as the articles shows, public awareness campaigns are ongoing. As regards law enforcement, health authorities are going to have to find a way despite the manpower challenges enforce prescription-only policies for antibiotics. Digital tools like the centralized data platform suggested should go some way in alleviating the manpower needs.
By addressing these issues, Nigeria can move from reactive containment to proactive prevention, safeguarding public health and economic stability.
