Killer Super Bugs - The Result of Antibiotic Misuse

Antibiotics are regarded as miracle drugs. They areAccording to a University of Tennessee study,
our most effective weapons against infectiousresearchers Sandra R Arnold and Sharon E Straus
diseases brought about by microorganisms. However,found that resistance to antimicrobial agents by many
many bacteria are now able to resist the effects ofhuman pathogens has been linked to excessive use
antimicrobial agents. Antibacterial resistance is theof antibiotics. The researchers said that the misuse
ability of bacteria to withstand and overcome attacksof antibiotics for viral infections and the excessive
by antibiotics. Increases in resistant bacterial strainsuse of broad-spectrum antibiotics in the place of
are threatening to human health. In fact, suchnarrower-spectrum antibiotics are well-known
problem is wasting an already limited health carethroughout the world. So, there is no secret that this
resource, (WHO).is happening. Similar studies have found that some
Antibiotics are medications used in the treatment ofcountries allow over-the-counter sale of antibiotics,
infections caused by bacteria, fungi, and parasites. Inactions that should be forbidden because it helps the
the past, treating bacterial infections was veryspread of antibiotic resistant microorganisms, (IDSA).
difficult. In fact, before the discovery of antibiotics,Researchers at the University of Antwerp (UA)
many patients contracting bacterial infections neverBelgium found that countries with higher rates of
made it out of hospital beds alive. This is why theantibiotic prescriptions have higher rates of antibiotic
discovery of antibiotics was one of the mostresistance. This confirms the argument that high
important health advances in human history, (WHO).rates of antibiotic prescriptions and excessive use
The over prescribing, increase use, and misuse ofincreases the rate of development of antibiotic
antibiotics in the past 70 years has opened the floodresistant organisms causing infections that are difficult
gates to an increasing number of microbes that areto treat.
resistant to antimicrobials, resulting in death, incredibleAn alarming study found that farm animals are being
suffering, disability, and a marked increase in healthfed antibiotics, the same antibiotics that are
care expenditures according to the World Healthprescribed to humans. According to studies done by
Organization (WHO).The Department of Agriculture in 1999, 2001, and
There has to be a solution to the rapid increase in2006, over 80 percent of pig farms, cattle feedlots,
antimicrobial resistant microorganisms. According toand sheep farms administer antibiotics at low doses
the WHO, there are two main factors responsible forfor non-therapeutic reasons (non disease treatment)
the proliferation and spread of resistantand that most of the antibiotics used on animals are
microorganisms. Those two factors are overuse andidentical or very closely related to those used to
misuse of antibiotics, and the spread of resistantprevent diseases or infections in humans. These
organisms among people, communities, and countries.antibiotics are tetracyclines, marcolides, bacitracin,
As a result of these findings, aggressive andpenicillins, and sulfonamides. Bacteria in animals and in
proactive interventions are necessary in the twohumans are able to develop resistance to antibiotics
areas mentioned. The World Health Organization haswhen exposed to low doses of antimicrobial agents
identified the two areas needing interventions. Thoseover a long period of time, which contributes greatly
two areas are improving antimicrobial use andto the rise of pathogens that are able to defeat
blocking transmission of resistant organisms.both human and animal defenses, said the study. For
Health care providers should refrain from overseveral years scientific studies have confirmed that
prescribing antibiotics to patients who may otherwisethe use of antibiotics in farm animals contributes
not need such treatments. Physicians should limit thegreatly to the overall development of antibiotic
amounts of broad-spectrum antibiotics prescribed. Aresistant bacteria in humans, {Center for Global
Recent study found that physicians are very quick toDevelopment (CGD)}.
prescribe broad-spectrum antibiotics to treatAfter an extensive investigation about the practice
infections of unknown origins. This is like treatingof feeding farm animals antibiotics, the World Health
infections blindly. Treating infections without knowingOrganization concluded that the practice of using
the kind of bacteria present is causing antibioticantibiotics as growth promoters in animal feeds
resistant bacteria to be on the rise. The study foundshould be stopped. The WHO concluded that such
that doing so actually increases the resistance ofpractice should be discontinued because resistant
microorganisms that are not the target organismbacteria found in animals as a result of exposure to
being sought after or the organism responsible forantibiotic can also be transmitted to humans through
causing a specific infection. Therefore, special carethe consumption of meat, from close or direct
should be taken when ordering bacteria-specificcontact with animals, or through the environment,
antimicrobial agents to treat specific infections. Treat(CGD).
with the narrow-spectrum in mind; don't overdo it.A study by researchers of The Economist found that
In fact, antimicrobial treatments should be renderedpigs were carriers of MRSA, which can be passed on
only as a last resort. Before doctors order orto humans either through eating meats infected with
prescribe broad-spectrum antibiotics, they should getbacteria, skin to skin contact, or touching animal
antibiotic-specific test results from the microbiologycontaminated surfaces.
lab. The micro lab tests for bacterial sensitivities toDisease conditions that have been developed as a
specific antibiotics. So, physicians should not give anyconsequence of antibacterial resistant organisms are
antibiotics before they get results from the micro lab,Methicillin-resistance Staphylococcus aureus (MRSA),
even if it is broad-spectrum. At the present time,an infectious disease caused by the Staphylococcus
many health care providers are giving broad-spectrumaureus bacteria found on the skin of humans. It is
antibiotics before results arrive from the microbiologyresistant to the antibiotic Methicillin. It causes havoc
laboratory, not a very good practice for thewhen it gets into the blood stream of human causing
containment of antimicrobial resistant organisms (Killersepsis, very deadly. Unsterile surgical instruments and
Super Bugs).procedures are usually the culprit for causing the
Many patients are misusing antimicrobial agents on abacteria to enter the body. A very large percent of
large scale. Some take it for the common cold andMRSA is found in post surgical patients.
other ailments not warranting antibacterial treatments.A deadly resistant form of TB called extremely
A study conducted by the Infectious Disease Societydrug-resistant (XXDR) TB that has never been seen
of America (IDSA) found that patients were abefore in the U.S. has recently been discovered in a
significant source of resistant organisms. The IDSApatient, (AP). According to a recent Associated Press
study also found that patients are willing to take(AP) study, TB, malaria, and HIV are mutating at an
antibiotics for conditions that are viral in nature andextremely fast rate, traveling in and out of countries,
not related to bacterial infections, such as theand the main reason is the overuse and misuse of
common cold, flu, sore throat, cough, or earache. Notthe very drugs that were developed to eradicate
only that, the study discovered that a small percentthese infectious microbes. Drug resistance is a major
of patients will save part of the antibiotic course forroad block to the successful treatment of HIV/AIDS,
future use, further adding resistant microorganism totuberculosis, and malaria, the three diseases needing
their bodies.urgent actions in developing countries, (CDG).