Antibiotic Resistance - When Bugs Turn Crazy

A few years ago the World Health Organizationbaring the Achilles heel of the mankind for the
published this anonymous bit of doggerel titledfatally virulent microorganisms. And in that case,
"The History of Medicine."unless the search for newer generation of
2000 B.C. - Here, eat this root.antibiotics yields results, we would not be able
A.D. 1000 - That root is heathen. Here, say thissurvive a boil on the hand or a graze on the knee,
prayer.catapulting us back into themiseries of pre-penicillin
A.D. 1850 - That prayer is superstition. Here, drinkera.
this potion.Scientists are warning of a "post-antibiotic era," in
A.D. 1920 - That potion is snake oil. Here, swallowwhich antibiotics will no longer be able to fight
this pill.disease. Experts say the potency of most
A.D. 1945 - That pill is ineffective. Here, take thisantibiotics has already begun to wane. There's an
penicillin.arms race between the drugs and the bugs, with
A.D. 1955 - Oops . . . bugs mutated. Here, takethe drugs trying to keep up but unfortunately not
this tetracycline.being able to keep pace with the ever rising rate
1960-1999 - 39 more "oops." Here, take thisof antibiotic resistance. The sad part is not only
more powerful antibiotic.that antibiotic are sometimes used to treat viral
A.D. 2000 - The bugs have won! Here, eat thisinfections, against which they are impotent but
root.also that they are used as "props" when safer
An executive in his mid-thirties developed amethods like sanitation and even simple hand
stomach upset and diarrhoea after a meal. Hewashing might be preferable.
consulted his company doctor and left the clinicMisuse also arises because the drug is so easily
with six little white packets -two types ofavailable outside the doctor's clinic, especially in
antibiotics, two types of painkillers a small white pilldeveloping countries. Given the lax restrictions and
for diarrhoea, and a pink tablet to be chewedenforcement there, antibiotics are sold in black
three times a day. He was flabbergasted. 'Imarkets and in pharmacies over the counter to
thought I only needed something to control thepeople who can afford them and use them as
diarrhea until I got home.' This case could bethey please by under- or overdosing themselves.
repeated in many hospitals anywhere, reflectingPart of the antibiotic misuse is fostered by the
the inappropriate and excessive use of antibiotics.drug companies which zealously promote the
Why? It shows that there is abuse of antibioticsmedicine as a cure-all in order to sell as much as
in treating patients because doctors arepossible against rival products. What results is
prescribing them excessively. Similarly, a recentuncontrolled drug promotion, leading to a
study showed that over 90% of patients whopill-for-every-ill syndrome and the irrational use of
received antibiotics did not really need them.drugs. No one is spared from medical
Once it was thought that antibiotics would help usrepresentatives. They will give free samples, and
wipe out forever the diseases caused by bacteria.many will invite doctors to social occasions, to
But the bacteria have fought back by developingdinner. They'll even take care of spending for trips
resistance to many antibiotics. The misuse andabroad, for medical conferences. Even if the local
overuse of antibiotics has given rise to the seriousdoctors are not completely convinced by the
problem of antimicrobial resistance worldwide.drug's efficacy, unfortunately they feel grateful
While doctors and, to a much lesser extent,for the first-class treatment and overwrite certain
patients must take the blame, it is principally auseless drugs.
problem caused by the ruthless drive of drugIs there a way to fix the antibiotic resistance
companies in their quest for super profits Theproblem before some little bug fixes us? The
indiscriminate use of antibiotics without prioranswer is yes.
culture sensitivity testing and over-the-counter-Doctors should prescribe the most specific
availability of most of the medicines has resultedantibiotic possible. Targeted, or "narrow-spectrum,"
in disastrous levels of antibiotic resistance in ourantibiotics will kill the offending bug without
Valley as well.sparking resistance among other bacteria living in
From our experience at Department Ofthe patient. This would call for greater use of
Microbiology, SKIMS Hospital Bemina, we havesusceptibility testing -- exposing colonies of human
come to observe that pathogens causing urinarypathogen to various antibiotics to see which kill
and respiratory tract infections have acquiredthe bacteria.
antibiotic resistance to most of the routinely-Many people quit taking the drugs after the
prescribed drugs. Penicillins like Amoxicillin, Ampicillinsymptoms of their infection have disappeared,
have now become ineffective and so have otherbut some partly-resistant microbes might remain.
commonly prescribed drugs like Erythromycin,If you quit taking your meds at that point, you're
Norfloxacin and Ciprofloxacin. Multi-drug resistanceallowing the partly-resistant organisms to survive
is of particular worry with most of the strains ofand multiply.
E.coli, the commonest causative agent of urinary-Use of common antibiotics first. If they work,
tract infections having become resistant to twothere will be no need to expose the bugs to
or more class of drugs. Similarly, the Methicilinmore recherché drugs.
Resistant Staphylococcus aureus (MRSA),-Improve infection control in hospitals. In other
prevalence is on rise in valley and sadly enoughwords, kill the bugs before they get inside
the microbe is resistant to almost all the availablepatients. That can be done with ultraviolet lights,
routine antibiotics except a few very costly andbetter sanitation, and putting patients with
high-end drugs.recalcitrant infections in isolation wards.
Reckless use of third generation CephalosporinsIn addition, we need stricter policies to deal with
like Ceftriaxone, to treat even minor infectionsthe problem of over prescription, inappropriate
and taking the medications for insufficientand uncontrolled use of the drug and overzealous
durations is making this class of drugs increasinglypromotions by drug companies.
ineffective now. In majority of the cases, theAt the same time, governments and medical
problem is that the antibiotics are stopped oncebodies should devise means and programmes to
the symptomatic cure has been achieved althoughmonitor, evaluate, control, and prevent
the duration for taking the antibiotic course had tohospital-based infections, while providing training
be in accordance with the attainment of provenand consultation for medical personnel on the
bacteriological cure. The persisting microbes onceappropriate and safe use of antibiotics. As
survive the onslaught of medications mutate andantibiotic resistance knows no national boundaries,
acquire resistance to all the drugs of thatthey should link up and cooperate with their
particular class making the treatment oncounterparts, agencies and NGOs at home and
recurrence very difficult.abroad mutual in surveillance, research and training.
Similar results have been seen in studies publishedInfectious disease specialists are hoping that new
from SKIMS Soura, where resistance to one ofattention to the problem will lead to changes that
the most potent class of antibiotics, called fourthslow the inevitable rise of resistance. The general
generation Cephalosporins has been noticed to beprescription for controlling the problem includes
on rise. That means in near future, the use ofchanges in medical behavior to protect the power
Vancomycin, Linezolid, Quinopristin, drugs thatof existing anti-microbial weapons, increased
happen to our last resort against the invadingresearch to find new killers for the little infectious
microbes might have to used as first-line regimen,killers, and reductions in non-medical uses.