Health Tips: Antibiotics are losing their power – why misuse is creating dangerous superbugs

…How everyday habits are making common infections harder to treat

By Dr Tariq Jagnarine
Fam Med, Public Health

Understanding antibiotics
Antibiotics are medicines used to treat infections caused by bacteria. For decades, they have saved millions of lives by curing illnesses that were once deadly, such as pneumonia, tuberculosis, and serious wound infections.
However, antibiotics are increasingly ineffective because they are used incorrectly and too often. Around the world, bacteria are becoming resistant to these medicines. This means infections that were once easy to treat are becoming increasingly difficult, and sometimes impossible, to cure. This growing problem is known as antimicrobial resistance.

Why antibiotic resistance matters
When antibiotics stop working, common infections can become dangerous. Minor injuries can lead to serious complications, routine surgeries become riskier, and diseases that were once easily treated may spread more widely.
Healthcare systems across the world are already facing this challenge. In some cases, doctors are seeing infections that no longer respond to several types of antibiotics.
This is not merely a global issue; it is also a concern in Guyana. Misuse of antibiotics in homes and communities contributes directly to the development of resistant bacteria.

How misuse happens
One of the most common problems is taking antibiotics without proper medical advice. Some people buy antibiotics over the counter, borrow them from friends or relatives, or use leftover medication from previous illnesses.
Another common mistake is stopping antibiotics too early. When people feel better after a few days, they may stop taking the medicine before completing the full course. This allows some bacteria to survive and become stronger.
Antibiotics are also sometimes used to treat illnesses caused by viruses, such as colds or flu. Because antibiotics only work against bacteria, using them for viral infections offers no benefit and contributes to resistance.

What are “superbugs”?
When bacteria become resistant to multiple antibiotics, they are sometimes called superbugs. These bacteria have adapted in ways that allow them to survive medicines designed to kill them.
Infections caused by resistant bacteria require stronger, more expensive drugs and longer hospital stays. In some cases, treatment options become very limited. The more antibiotics are misused, the faster these resistant bacteria spread.

Why this problem is growing
Several factors contribute to antibiotic resistance. Self-medication is a major one. In many communities, people keep antibiotics at home and use them whenever they feel sick, even without knowing the cause of the illness.
Incomplete treatment courses are another problem. When bacteria are exposed to antibiotics but not fully eliminated, they learn to survive future treatments.
Poor infection control and lack of awareness also play a role. When resistant bacteria spread from person to person, they become a wider community problem.

When antibiotics are truly needed
Antibiotics should only be used when prescribed by a qualified healthcare professional. Doctors determine whether bacteria cause an illness and which antibiotic is appropriate.
In many cases, rest, fluids, and supportive care are sufficient for recovery, especially for viral infections like the common cold or flu.
Using antibiotics responsibly helps preserve their effectiveness for situations where they are truly needed.

Protecting yourself and your community
Everyone has a role in preventing antibiotic resistance. Taking antibiotics exactly as prescribed is essential. This includes completing the full course of medication, even if symptoms improve.
Never share antibiotics with others or save leftover pills for future illnesses. Each infection requires proper medical evaluation and treatment.
Good hygiene practices also reduce the spread of infection. Washing hands regularly, preparing food safely, and keeping vaccinations up to date help prevent illnesses that might otherwise require antibiotics.

The role of healthcare and public awareness
Healthcare providers, pharmacists, and public health authorities play an important role in educating communities about responsible antibiotic use. Awareness campaigns and better prescribing practices can slow the spread of resistant bacteria.
At the same time, patients must understand that antibiotics are powerful medicines that must be used carefully. Protecting their effectiveness is a shared responsibility.
If antibiotic resistance continues to grow, the world could face a future where routine infections become deadly again. Medical procedures such as surgeries, cancer treatment, and organ transplants rely on effective antibiotics to prevent infection. Protecting antibiotics today helps safeguard healthcare for future generations.
Antibiotics are one of medicine’s greatest achievements. But their power is not guaranteed forever. Using antibiotics responsibly, only when necessary and exactly as prescribed, helps prevent the rise of dangerous superbugs.
Respect antibiotics today so they can continue saving lives tomorrow.