Multiple Sclerosis Symptoms: Fatigue, Anxiety, Pain
Years before diagnosis, Subtle Clues to Multiple Sclerosis Emerge, Landmark Study Reveals
For years, the journey to a multiple sclerosis (MS) diagnosis has been characterized by uncertainty, as early symptoms often mimic those of other, more common conditions. Now, groundbreaking research from the University of British Columbia (UBC) is challenging long-held assumptions about when MS truly begins, revealing a complex pattern of healthcare engagement stretching back 15 years before a formal diagnosis. The study offers the most extensive picture to date of how patients navigate the healthcare system while seeking answers to initially vague and often dismissed medical challenges.
“MS can be difficult to recognise as many of the earliest signs – like fatigue, headache, pain and mental health concerns – can be quite general and easily mistaken for other conditions,” explains Dr. Helen Tremlett, professor of neurology at UBC’s faculty of medicine and investigator at the Djavad mowafaghian Center for Brain Health, and senior author of the study. “Our findings dramatically shift the timeline for when these early warning signs are thought to begin,potentially opening the door to opportunities for earlier detection and intervention.”
The research team utilized linked clinical and administrative provincial health data to meticulously track physician visits over a 25-year period leading up to the onset of MS symptoms, as definitively persistent by a neurologist through detailed medical history and clinical assessments.This approach represents a important leap forward in MS research.
Previous studies typically focused on the five to ten years before a patient’s first demyelinating event – such as vision problems – relying on administrative data. This is a much later point in the disease process than the neurologist-determined date of symptom onset used in this study, offering a more nuanced and accurate understanding of the disease’s early trajectory.
The findings reveal a steady increase in healthcare utilization over 15 years, with distinct patterns emerging at different stages:
15 Years Before Symptom Onset: Increased visits to general practice physicians and any physician for symptoms like fatigue, pain, dizziness, and mental health conditions, including anxiety and depression.
12 Years Before: A notable rise in visits to psychiatrists.
8-9 years Before: Increased consultations with neurologists and ophthalmologists, potentially linked to blurry vision or eye pain.
3-5 Years Before: A surge in emergency medicine and radiology visits.
1 Year Before: Peak physician visits across multiple specialties,including neurology,emergency medicine,and radiology.
“these patterns suggest that MS has a long and complex prodromal phase – where something is happening beneath the surface but hasn’t yet declared itself as MS,” says Dr. Marta Ruiz-Algueró, a postdoctoral fellow at UBC and the study’s first author. “We’re only now starting to understand what these early warning signs are, with mental health-related issues appearing to be among the earliest indicators.”
This research builds upon Dr. Tremlett’s team’s previous work characterizing the early, or prodromal, stages of MS – a period where subtle symptoms emerge before the hallmark signs become recognizable. Prodromal periods are well-documented in other neurological disorders, such as Parkinson’s disease, where mood changes, sleep disturbances, and gastrointestinal issues often precede motor symptoms by years.
While researchers emphasize that the vast majority of individuals experiencing these general symptoms will not* develop MS,recognizing and characterizing the MS prodrome holds immense promise for accelerating diagnosis and improving patient outcomes.
“By identifying these earlier red flags, we may eventually be able to intervene sooner – whether that’s through monitoring, support, or preventive strategies,” Dr. Tremlett concludes. “It opens new avenues for research into early biomarkers, lifestyle factors, and other potential triggers that may be at play during this previously overlooked phase of the disease.”