Borrelia burgdorferi, the spirochete bacteria that causes Lyme disease.
While Lyme disease itself is a real and often serious infectious illness, the existence and proper treatment of so-called chronic Lyme disease is dubious, and some would say controversial. However, like many controversies we cover, the science itself is not very controversial, but the topic is made so by a persistent minority of outliers who refuse to accept the scientific consensus.
The issue has been raised yet again by a study published recently in The New England Journal of Medicine: “Randomized Trial of Longer-Term Therapy for Symptoms Attributed to Lyme Disease.” The study was negative, but I will get into the details below.
Lyme in an infection caused by the bacteria Borrelia burgdorferi, and related species. In Europe the infecting species are B. afzelii and B. garinii. These bacteria are spirochetes, which refers to their spiral shape. They are related to the bacterium which causes syphilis, Treponema pallidum, which is also a spirochete.
Syphilis and Lyme both have three stages of illness – a primary infection, secondary symptoms, and then a persistent tertiary syndrome. With Lyme disease, stage 1 involves local infection, including headache, fever, chills, and local arthritis. Stage 2 is disseminated Lyme, including the classic target- or bullseye-shaped rash at the site of the bite, pain, weakness, fatigue, and diffuse arthritis. Stage 3 is persistent late stage infection, and includes ongoing stage 2 symptoms, heart involvement, and neurological involvement. (more…)
Editor’s note: Today we present a guest post from fourth-year medical student Joshua Horton, about the looming problem of antibiotic resistance. Welcome!
Antibiotic sensitive (left) and resistant (right) bacterial colonies. They probably shouldn’t be that close together.
I read a study recently that alarmed me: acute bronchitis is a condition that rarely requires antibiotics, but three quarters of patients presenting with this condition receive a prescription for antibiotics. Even more worrisome, this statistic has not changed in 20 years. To those of us on the cusp of a career in medicine – I am a fourth year medical student – this is terrifying because we are going to have to deal with the consequences. Antibiotic overuse leads to:
- Increased morbidity and mortality for patients infected with resistant bugs
- Unnecessary and exorbitant healthcare expenditures
- The potential to cultivate multi-resistant bacteria that could spread to pandemic proportions
We still take them for granted, but antibiotics are a finite resource. Each time we breed a bug that is resistant to a particular drug, we are forced to relinquish that gun from our armamentarium. With fiscal impetus for pharma to develop new antibiotics waning, we may have reached a point of no return. That’s why this study scared me. Hopefully, clever techniques based on behavioral theory designed to reduce antibiotic prescribing may pull us back from that edge – read on to learn more. (more…)
While it is both easy and fun to point out the inadequacies of unscientific modalities such as chiropractic and homeopathy, our goal at Science-Based Medicine is the application of a single standard to all medical practice, even if it stings a bit. We are far from perfect. While I firmly believe that most conventional healthcare professionals are good people who strive to provide the best care possible for their patients, I accept that there is room for improvement and pediatric medicine is certainly no exception.
In fact, one of the characteristics that best distinguishes conventional from so-called alternative medicine is the simple fact that we systematically attempt to recognize and correct our errors on an individual and system wide level. That we evolve in the light of new and better evidence, albeit sluggishly as a rule rather than an exception, allows me to sleep at night. There is no quality control in alternative medicine. There are only shifting trends in the marketing of nonsense to the curious, desperate, and gullible. (more…)
Pictured: Superbug spawner, or savior to us all? Neither!
Recently, I was sitting in a meeting and reached for the dispenser of Purell hand sanitizer sitting on the conference room table. A colleague of mine gave a small, rueful shake of her head to the person on her other side. Apparently I had erred. I asked what was the matter, and got a brief answer to the effect of “because superbugs.” We exchanged nothing more about it; the interaction was over before the alcohol had dried from my hands.
I wouldn’t have thought anything of such an interaction with anyone else, but my colleague is a PhD student in immunology, six years older and more schooled than I, doing her doctoral research in a lab run by a physician-scientist — a specialist in infectious disease, no less. A touch ironic.
And so I noticed a need for some mythbusting: alcohol-based hand sanitizers do not breed resistant bacteria. (more…)
Just say no to homeopathic cough syrup! Actually, avoid all cough syrups.
On the pages of SBM we frequently discuss homeopathy, and rightfully so considering its position as one of the most pervasive yet dumbest forms of alternative medicine. Just yesterday our own Scott Gavura, who is neither pervasive nor dumb, wrote an excellent review of some recent improvements in the regulation of these ridiculous remedies in Canada, and I encourage readers to check that out. Sadly, despite numerous high profile setbacks for the practice, including a thorough trouncing by the Australian National Health and Medical Research Council in March, proponents of what is essentially the belief in sympathetic magic continue to clutter the pubmeds and interwebs with worthless studies. (more…)
In 1850, one in four American babies died before their first birthday, and people of all ages died of bacterial infections that could have been successfully treated today with antibiotics. Unfortunately, treatments that have effects usually have side effects, and we are seeing problems due to the overuse of antibiotics. They are given to people with viral infections for which they are useless and to food animals to improve their growth. As a result, antibiotic-resistant organisms are evolving and the development of new antibiotics is not keeping up with the threat. This is common knowledge, but we’re starting to realize that there may be other problems with antibiotics even when they are used correctly to save lives.
The rates of obesity, diabetes, asthma, food allergies, hay fever, eczema, inflammatory bowel disease, celiac disease, acid reflux disease, and esophageal cancer are all on the rise. Martin Blaser, MD, director of the Human Microbiome Program at NYU, thinks antibiotics may be to blame, either as a causal or a contributing factor. In his book Missing Microbes: How the Overuse of Antibiotics Is Fueling Our Modern Plagues, he describes some of the fascinating research he and others have been doing to elucidate the role of the more than 100 trillion microbes that live on and in each of us, and the possibility that antibiotics may have a causal role in several of the so-called diseases of civilization. (more…)
“For every complex problem there is an answer that is clear, simple, and wrong.”
-H. L. Mencken
This approach is not endorsed by the American Academy of Pediatrics.
As I sit in an apartment full of unpacked boxes and grumpy children, only a few days removed from driving 1,600 miles to a 3rd floor walk-up and a better life just outside of Boston, I find the task of writing a post somewhat daunting. But I must admit that this new town is not without the potential for inspiring future musings. In fact, I find myself surrounded by irregular medicine of all shapes, sizes and dilutions.
Next door is a chiropractor who cures Tourette’s syndrome and, according to the pamphlet available outside the clinic entrance, only uses the in-house x-ray machine on select patients who truly need it. A few buildings down from me is an acupuncturist that treats athletic injuries with ear acupuncture and Kinesio-tape while liberally sprinkling references to his practice of “sports medicine” and “orthopedics” throughout the clinic’s promotional material. But at least I was reassured that acupuncture is completely harmless because it is a natural medicine. Finally, a block further down the road, completing my welcome committee of woo is a clinic that uses homeopathy to treat just about every real and fictional condition under the sun. I checked out their website and it’s a good thing that the walls are well insulated or my neighbors would have surely been forced to ignore the sound of my forehead pounding a wooden desk like a flagellant monk hoping for divine intervention.