Fibromyalgia is one of the diagnoses in my medical history now, but by the time I received it, I was already very familiar with having a body that seemed to produce symptoms that did not fit neatly into one explanation.
For years, I dealt with pelvic pain, digestive issues, food sensitivities, back and hip pain, numbness and tingling, tinnitus, skin symptoms, and pain that could change from one day to the next. I had already collected diagnoses like endometriosis, IBS, vulvodynia, neuropathy, pelvic floor dysfunction, and joint hypermobility. Fibromyalgia eventually became another name added to that list.
For a long time, I tried to understand every symptom individually. If my hip hurt, I wanted to know what was wrong with my hip. If my stomach hurt, I wanted to figure out what I had eaten. If something burned, tingled, ached, or suddenly felt different, I immediately started looking for an explanation for that specific sensation in that specific part of my body.
That makes a lot of sense when you have spent years feeling like something is wrong and you are still searching for answers. But eventually, fibromyalgia helped me understand something that changed the way I looked at all of my symptoms: where you feel something in your body does not always tell you the whole story of why you are feeling it.
Fibromyalgia is about more than widespread pain
Fibromyalgia is often described as a condition that causes widespread pain, but the experience can involve much more than pain alone. People with fibromyalgia may also experience fatigue, sleep problems, difficulty concentrating, headaches, digestive issues, numbness and tingling, and increased sensitivity to things like touch, temperature, light, or sound.
That broader picture stood out to me because I had spent so many years treating different symptoms like completely separate problems. When you are dealing with pain in one area, digestive symptoms somewhere else, strange sensations in another part of your body, and fatigue on top of all of it, it is easy to feel like you have ten different problems that all need ten different solutions.
Research into fibromyalgia has helped give us a different way to understand some of this. Scientists still do not know one single cause of fibromyalgia, but we do know that changes in pain and sensory processing appear to play an important role. The nervous system can become more sensitive to incoming information, which can affect how strongly pain and other sensations are experienced.
This is where terms like central sensitization and nociplastic pain often come into the conversation. Nociplastic pain describes pain associated with altered nociception when the pain cannot be fully explained by ongoing tissue damage or a lesion of the somatosensory system. Fibromyalgia is commonly discussed as one of the clearest examples of this type of persistent pain.
For me, understanding that opened up a completely different way of thinking about what my body had been doing.
I had spent years looking exactly where it hurt
Before I understood more about pain processing and the nervous system, I naturally assumed the answer had to be in the exact place where I felt the symptom. If something hurt, I investigated that body part. If a new sensation appeared, I tried to figure out what I had done to cause it. If my symptoms changed, I mentally went back through food, exercise, stress, sleep, hormones, supplements, sitting, movement, and anything else I could think of.
I became very good at investigating myself.
And sometimes investigating symptoms is absolutely appropriate. New or changing symptoms can need medical evaluation. Injuries and illnesses happen. Structural problems exist. Different types of pain can also overlap in the same person.
But after years of persistent symptoms, I had also developed a habit of treating every sensation as if it were a brand-new mystery that needed to be solved immediately. I did not realize how much time and attention that was taking until I began to understand the nervous system patterns that can develop around long-term pain.
When your body has felt unpredictable for years, constantly searching for an explanation can start to feel responsible. You tell yourself you are being careful. You are trying to catch something before it gets worse. You are trying to work out what you did wrong so you can avoid doing it again.
The problem was that I could spend hours trying to figure out why one particular sensation had shown up on one particular day and still have no real answer.
The symptom is real, but the location does not always explain the cause
One of the most useful things I learned about persistent pain is that the intensity of pain does not always tell us how much tissue damage is present.
Pain is an experience produced through the nervous system. The brain receives information from the body and interprets that information alongside context, previous experiences, expectations, attention, stress, and many other inputs. The result is the experience that you actually feel.
With fibromyalgia, research suggests that this processing can become more sensitive. Studies have found differences in pain sensitivity, pain modulation, and central nervous system processing in people with fibromyalgia. This means the nervous system itself can become part of what is amplifying the pain experience.
That does not make the symptom imaginary. The pain is real because you are experiencing real pain. It means that pain does not always work like a direct damage meter.
You can feel significant pain in your shoulder without there being significant ongoing damage in the shoulder. A burning sensation can feel completely real without tissue actually burning. An ache can be intense without the intensity telling you exactly what is happening structurally inside your body.
This also helps explain why someone can feel terrible while their scans, blood tests, or examinations do not provide a satisfying explanation for the severity of what they are experiencing.
For someone who has spent years using every symptom as evidence that something must be getting worse, that is a very different way of understanding the body.
Why nervous system language can feel so dismissive at first
I also understand why people with fibromyalgia can hear the words “brain” or “nervous system” and immediately feel defensive.
Many people with persistent symptoms have already spent years feeling dismissed. You describe how much pain you are in and hear that your tests are normal. You explain fatigue that makes normal daily tasks feel enormous and someone tells you to reduce your stress. You describe burning, tingling, aching, numbness, or other strange sensations and get the feeling that the person sitting across from you has already decided anxiety must be the explanation.
So when someone starts talking about the brain being involved in pain, it can sound like another way of saying the symptoms are not physical. But your nervous system is physical. Your brain is physical. Pain processing is biology.
Research into fibromyalgia continues to look at central nervous system processing alongside other possible contributors, including peripheral nervous system changes, immune activity, genetics, sleep disturbance, and other biological factors. There is still a lot we do not fully understand, which is why I am careful about reducing fibromyalgia to one simple cause.
What became useful for me was understanding that my nervous system could be deeply involved in my symptoms without that making those symptoms any less real.
What changed when I stopped treating every symptom like a separate emergency
Learning about pain processing did not mean I suddenly ignored my body. It changed what I paid attention to.
Instead of only focusing on the symptom itself, I started noticing what happened immediately after I felt it. I noticed how quickly I would check the sensation again, tense my body, think about what I had eaten, replay what I had done earlier in the day, worry about tomorrow, or start searching for an explanation. That sequence had become so automatic that I barely noticed I was doing it.
A sensation would show up and within seconds my attention was completely wrapped around it. My brain was already trying to explain it, predict it, and prevent whatever I thought might happen next. And because I had lived with pain and unpredictable symptoms for so long, those responses made sense. My nervous system had years of experience learning that sensations could mean trouble.
But once I could see the pattern around the symptom, I finally had something different to work with.
This is a big part of what I mean when I talk about symptom repatterning. The symptom matters, but so do the responses that can develop around the symptom after months or years of pain, uncertainty, fear, flares, and constantly wondering what your body is going to do next.
Fibromyalgia gave me a wider view of my body
For years, my medical history looked like a collection of separate problems. Endometriosis explained one part. IBS explained another. Vulvodynia, neuropathy, pelvic floor dysfunction, joint hypermobility, and eventually fibromyalgia each gave me another piece of information about what I had experienced.
And then there were all the symptoms that never seemed to fit anywhere perfectly.
I spent a long time believing that if I could find the exact explanation for every single sensation, I would finally understand my body. What became more useful was beginning to understand the system underneath all of those individual experiences.
Fibromyalgia helped give me language for something I had lived with for years without fully understanding. Pain can become amplified. Sensory processing can change. The nervous system can become increasingly responsive to sensations. And symptoms can be very real even when there is no obvious injury that explains why they feel as intense or unpredictable as they do.
That changed where I looked for answers. I stopped automatically assuming that every new sensation meant there was another part of my body I needed to fix and I started paying attention to the patterns my nervous system had learned after years of living with pain.
For me, that became a much more useful place to begin.
Research + Further Reading
The science of fibromyalgia is still developing, and there is no single accepted explanation for every symptom or every person’s experience. The research below informed the discussion in this article and provides further reading on fibromyalgia, nociplastic pain, pain processing, central sensitization, and other mechanisms currently being studied.
Sources
Centers for Disease Control and Prevention. Fibromyalgia. Overview of common fibromyalgia symptoms and current understanding of the condition.
National Center for Complementary and Integrative Health, National Institutes of Health. Fibromyalgia: In Depth. Overview of fibromyalgia symptoms, research, treatment approaches, and current theories about pain processing.
Häuser W, Clauw DJ, Fitzcharles MA. From Fibrositis to Fibromyalgia to Nociplastic Pain: How Rheumatology Helped Get Us Here and Where Do We Go From Here? Annals of the Rheumatic Diseases. Discussion of fibromyalgia and the development of the nociplastic pain concept.
Kosek E, et al. Deciphering Nociplastic Pain: Clinical Features, Risk Factors and Potential Mechanisms. Nature Reviews Neurology. Review of altered nociception and the multiple mechanisms currently being investigated in nociplastic pain.
National Library of Medicine / MedlinePlus. Fibromyalgia. Medical overview of fibromyalgia, symptoms, diagnosis, and current understanding of pain processing.
A Quick Note
This article is for education and is based on a combination of current research and my own lived experience with persistent pain and fibromyalgia. It is not intended to diagnose or replace individualized medical care. New, changing, or unexplained symptoms should be discussed with a qualified healthcare provider.
