https://jamanetwork.com/journals/jamaneurology/article-abstract/2751253
“It’s all in your head” is a phrase sometimes said by physicians to patients presenting with symptoms unexplained by medical disease. As a neurologist specializing in neuropsychiatry, nothing bothers me more than overhearing medical colleagues proclaim this one-liner at the bedside or snicker about these patients during rounds. Unbeknownst to them, I also hear my patients’ version of being on the other end of this phrase and find myself constantly trying to repair the damage that these words can cause. Whether physicians like to admit it or not, medically unexplained symptoms encompass a vast terrain of clinical practice. In neurology, these symptoms fall under functional neurological disorder, but every specialty has their own variants and favored terminologies (eg, chronic fatigue syndrome, fibromyalgia). The inadequate management of this segment of medicine represents a silent epidemic that is slowly eroding patient-physician relationships, perpetuating unnecessary disability, and straining health care resources.
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For more on how this very phrase is still being used against Lyme/MSIDS patients:
https://madisonarealymesupportgroup.com/2019/06/11/dr-eugene-shapiro-medically-unexplained-symptoms/
Madison Area Lyme Support Group 
https://madisonarealymesupportgroup.com/2019/05/27/uk-woman-isolated-pumped-full-of-anti-psychotics-told-its-all-in-her-head-until-finally-diagnosed-with-lyme/
https://madisonarealymesupportgroup.com/2017/09/21/its-all-in-your-head-until-finally-a-lyme-diagnosis/
https://madisonarealymesupportgroup.com/2019/05/15/life-with-lyme-disease-a-womans-15-year-journey-to-diagnosis/
https://madisonarealymesupportgroup.com/2019/04/22/its-just-crazy-why-is-lyme-disease-treatment-so-difficult-to-find-in-mississippi/
https://madisonarealymesupportgroup.com/2017/06/30/child-with-lymemsidspans-told-by-doctors-she-made-it-all-up/
https://madisonarealymesupportgroup.com/2019/02/16/lyme-is-all-in-your-head-a-wake-up-call-to-mental-health-professionals/
https://madisonarealymesupportgroup.com/2019/11/22/differentiating-psychosomatic-somatopsychic-multisystem-illnesses-and-medical-uncertainty/
https://madisonarealymesupportgroup.com/2019/05/27/have-you-been-told-its-all-in-your-head-the-new-biology-of-mental-illness/
HOW MANY MORE HAVE TO SUFFER LIKE THIS BEFORE THE MEDICAL WORLD WAKES UP?