New report shows 'completing a course' of antibiotics could be harmful

If you have an infection that won't go away, your doctor usually prescribes an antibiotic with instructions to finish off the course.

However, after waiting a few days you may start to feel better and wonder, what now?

According to a new opinion piece published in the British Medical Journal, people should be careful when it comes to building antibiotic resistance.

Meaning our bodies may get used to antibiotics until they stop working.

The BBC reports the team of British researchers believe the old 'finish the bottle' mantra is based on outdated data.

That resistance only happens when antibiotics are taken for longer than necessary.

These researchers say there's evidence that even short courses of antibiotics such as the ones taken for three to five days can also lead to resistance.

Critics argue that this message is confusing and won't help patients.

Instead, more research is needed before doctors can make claims about finishing or not finishing a treatment when symptoms start to ease up.

Both sides agree on one thing; the study is good for opening up a debate.

RELATED: Antibiotic-resistant germs

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Antibiotic-Resistant Germs
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Antibiotic-Resistant Germs
In this undated photo provided by the Centers for Disease Control and Prevention is one form of CRE bacteria, sometimes called ânightmare bacteria.â CRE bacteria is blamed for 600 deaths each year, and can withstand treatment from virtually every type of antibiotic. (Photo via CDC)
Enterococcus, Sem, Vancomycin Resistant Enterococci, Vre, Common Infections Caused By Enterococci Are Urinary Tract Infections And Wound Infections. (Photo By BSIP/UIG via Getty Images)
Scanning Electron Micrograph of Burkholderia cepacia. (Photo by: Media for Medical/UIG via Getty Images)
Methicillin Resistant Golden Staph Staphylococcus Aureus Mrsa, Scanning Electron Micrograph Colorized Sem, X 9560, The Line Represents Two Microns. These Bacteria Are Gram Positive Cocci And Facultative Anaerobes That Typically Gather In Clusters, As We See It Here. Golden Staph Is Responsible For Food Poisoning, Cutaneous Infections, Pneumonia, Toxic Shock Syndrome, . . . The Mrsa Is One Of The Most Frequent Multiresistant Bacterial Strains In Healthcare Facilities Hospital Acquired Infections. Golden Staph Staphylococcus Aureus > Staphylococcus > Staphylococcaceae > Bacillales > Firmicutes > Bacterium. This 2005 Scanning Electron Micrograph Sem Depicted Numerous Clumps Of Methicillin Resistant Staphylococcus Aureus Bacteria, Commonly Referred To By The Acronym, Mrsa; Magnified 9560X. Recently Recognized Outbreaks, Or Clusters Of Mrsa In Community Settings Have Been Associated With Strains That Have Some Unique Microbiologic And Genetic Properties, Compared With The Traditional Hospital Based Mrsa Strains, Which Suggests Some Biologic Properties, E. G. , Virulence Factors Like Toxins, May Allow The Community Strains To Spread More Easily, Or Cause More Skin Disease. A Common Strain Named Usa300 0114 Has Caused Many Such Outbreaks In The United States. Methicillin Resistant Staphylococcus Aureus Infections, E. G. , Bloodstream, Pneumonia, Bone Infections, Occur Most Frequently Among Persons In Hospitals And Healthcare Facilities, Including Nursing Homes, And Dialysis Centers. Those Who Acquire A Mrsa Infection Usually Have A Weakened Immune System, However, The Manifestation Of Mrsa Infections That Are Acquired By Otherwise Healthy Individuals, Who Have Not Been Recently Hospitalized, Or Had A Medical Procedure Such As Dialysis, Or Surgery, First Began To Emerged In The Mid To Late 1990's. These Infections In The Community Are Usually Manifested As Minor Skin Infectio (Photo By BSIP/UIG Via Getty Images)
Staphylococcus Aureus Sem, Resistant to Antibiotics Including Methicillin And Other More Common Antibiotics Such As Oxacillin, Penicillin And Amoxicillin, While 25 To 30 percent Of Population Is Colonized With Staph, Approximately 1 percent Is Colonized With Mrsa. (Photo By BSIP/UIG via Getty Images)
Methicillin Resistant Golden Staph Staphylococcus Aureus Mrsa, Scanning Electron Micrograph Colorized Sem, X 9560, The Line Represents Two Microns. These Bacteria Are Gram Positive Cocci And Facultative Anaerobes That Typically Gather In Clusters, As We See It Here. Golden Staph Is Responsible For Food Poisoning, Cutaneous Infections, Pneumonia, Toxic Shock Syndrome, . . . The Mrsa Is One Of The Most Frequent Multiresistant Bacterial Strains In Healthcare Facilities Hospital Acquired Infections. Golden Staph Staphylococcus Aureus > Staphylococcus > Staphylococcaceae > Bacillales > Firmicutes > Bacterium. This 2005 Scanning Electron Micrograph Sem Depicted Numerous Clumps Of Methicillin Resistant Staphylococcus Aureus Bacteria, Commonly Referred To By The Acronym, Mrsa; Magnified 9560X. Recently Recognized Outbreaks, Or Clusters Of Mrsa In Community Settings Have Been Associated With Strains That Have Some Unique Microbiologic And Genetic Properties, Compared With The Traditional Hospital Based Mrsa Strains, Which Suggests Some Biologic Properties, E. G. , Virulence Factors Like Toxins, May Allow The Community Strains To Spread More Easily, Or Cause More Skin Disease. A Common Strain Named Usa300 0114 Has Caused Many Such Outbreaks In The United States. Methicillin Resistant Staphylococcus Aureus Infections, E. G. , Bloodstream, Pneumonia, Bone Infections, Occur Most Frequently Among Persons In Hospitals And Healthcare Facilities, Including Nursing Homes, And Dialysis Centers. Those Who Acquire A Mrsa Infection Usually Have A Weakened Immune System, However, The Manifestation Of Mrsa Infections That Are Acquired By Otherwise Healthy Individuals, Who Have Not Been Recently Hospitalized, Or Had A Medical Procedure Such As Dialysis, Or Surgery, First Began To Emerged In The Mid To Late 1990's. These Infections In The Community Are Usually Manifested As Minor Skin Infectio (Photo By BSIP/UIG Via Getty Images)
Methicillin Resistant Staphylococcus Aureus Mrsa Bacteria. This Scanning Electron Micrograph Depicts A Grouping Of Methicillin Resistant Staphylococcus Aureus Mrsa Bacteria. These S. Aureus Bacteria Are Methicillin Resistant, And Are From One Of The First Isolates In The U. S. That Showed Increased Resistance To Vancomycin As Well. Note The Increase In Cell Wall Material Seen As Clumps On The Organisms’ Surface. (Photo By BSIP/UIG Via Getty Images)
Antibiotic drugs being tested to see how resistant they are to bacteria
BOSTON - APRIL 8: A scientist uses a 96-well plate to test different concentrations of nano particle treatment for antibiotic resistant bacteria inside the Egan Research Center at Northeastern University in Boston on April 8, 2014. The stronger the glow, the stronger the bacteria are. (Photo by Jessica Rinaldi/The Boston Globe via Getty Images)
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