Fibromyalgia can be difficult to understand — both for the people living with it and for those around them.
The condition can cause widespread pain, overwhelming fatigue, sleep problems, difficulty concentrating, and a variety of other symptoms that may come and go.
Because there is no single blood test or scan that confirms fibromyalgia, some people spend months or even years trying to understand what is happening to their bodies.
You may also have heard fibromyalgia described online as “the disease of unexpressed emotions.”
But is that actually true?
Here are eight common symptoms associated with fibromyalgia — followed by what medical research currently tells us about the connection between fibromyalgia, stress, and emotions.
1. Widespread Pain
Widespread pain is one of the main features of fibromyalgia.
People often describe the sensation as aching, burning, throbbing, or tenderness affecting different areas of the body.
The pain may occur on both sides of the body and can affect areas above and below the waist.
For some people, it remains relatively constant. For others, the location and intensity can change from day to day.
Importantly, fibromyalgia pain is real even when routine imaging or laboratory tests don’t reveal an obvious injury.
2. Persistent Fatigue
Fibromyalgia can cause much more than ordinary tiredness.
Some people wake up feeling exhausted even after spending many hours in bed.
Everyday activities that once seemed easy may require considerably more energy.
This persistent fatigue can affect work, exercise, social activities, and daily responsibilities.
Fatigue can have many different causes, however, so it shouldn’t automatically be attributed to fibromyalgia without appropriate medical evaluation.
3. Sleep Problems
Pain and sleep difficulties can occur together.
People with fibromyalgia may have trouble falling asleep, staying asleep, or waking up feeling refreshed.
The CDC lists sleep problems among the common signs and symptoms associated with fibromyalgia.
Poor sleep may also make fatigue, concentration difficulties, and pain harder to manage.
4. “Fibro Fog”
One of the less visible symptoms is sometimes called fibro fog.
This refers to cognitive difficulties that can include:
Trouble concentrating
Forgetfulness
Difficulty focusing on conversations
Feeling mentally slowed down
Difficulty finding the right words
These problems can be frustrating, particularly when other people don’t recognize how much they interfere with everyday activities.
The CDC notes that problems with thinking, memory, and concentration can occur with fibromyalgia.
5. Increased Sensitivity
Some people with fibromyalgia experience heightened sensitivity.
Things that might cause relatively little discomfort to someone else may feel considerably more intense.
People may also report sensitivity to temperature, light, noise, or touch.
This doesn’t mean someone is simply “too sensitive.”
Fibromyalgia is associated with changes in how the nervous system processes painful and non-painful signals. Mayo Clinic describes fibromyalgia as amplifying painful sensations by affecting how the brain and spinal cord process signals.
6. Headaches
Recurring headaches can also occur alongside fibromyalgia.
Some people experience tension-type headaches or migraines in addition to their other symptoms.
A headache by itself doesn’t suggest fibromyalgia, of course.
But frequent headaches occurring alongside widespread pain, fatigue, sleep problems, and other characteristic symptoms may be part of a broader pattern that deserves medical evaluation.
7. Digestive Problems
Fibromyalgia can sometimes occur alongside digestive symptoms.
The CDC notes that digestive problems such as abdominal pain, bloating, constipation, and irritable bowel syndrome may occur in people with fibromyalgia.
These symptoms aren’t unique to fibromyalgia and can have numerous other causes.
Persistent or significant digestive problems should therefore be properly evaluated rather than assumed to be part of the condition.
8. Anxiety, Sadness, or Changes in Emotional Well-Being
Living with chronic pain and fatigue can have a substantial emotional impact.
Anxiety and depression can occur alongside fibromyalgia, and stress may also influence how some people experience their symptoms.
This brings us to one of the most controversial claims about the condition.
Is Fibromyalgia Really “The Disease of Unexpressed Emotions”?
You’ve probably seen this phrase shared on Facebook, Pinterest, or health blogs:
“Fibromyalgia is the disease of unexpressed emotions.”
It’s an emotionally powerful idea.
But it shouldn’t be presented as an established medical fact.
Scientists do not currently consider fibromyalgia simply the result of suppressed feelings or emotions.
The exact cause of fibromyalgia remains unknown. Researchers believe the condition involves abnormal processing of pain signals within the nervous system, while several biological, psychological, environmental, and potentially genetic factors may influence its development or severity.
In other words:
Emotions can matter without being “the cause.”
Stress Can Still Affect Symptoms
Rejecting the “unexpressed emotions cause fibromyalgia” claim doesn’t mean stress is irrelevant.
Physical or emotional events can sometimes be associated with the onset or worsening of symptoms. Mayo Clinic notes that symptoms can sometimes begin after physical trauma, surgery, infection, or significant psychological stress, while in other cases they gradually accumulate without a single triggering event.
Stress can also influence sleep, muscle tension, energy, mood, and the perception of pain.
That’s very different from saying:
You developed fibromyalgia because you didn’t express your feelings.”
There isn’t sufficient evidence for that conclusion.
And people living with a chronic condition shouldn’t be made to feel responsible for having caused their illness by experiencing emotions in the “wrong” way.
What Causes Fibromyalgia?
There is no single established cause.
Current research points toward changes in pain processing involving the brain and nervous system.
The condition may involve multiple interacting factors rather than one simple explanation.
According to the CDC, researchers do not fully understand what causes fibromyalgia, although people with the condition have increased sensitivity to pain.
Some people develop symptoms after a significant event, while others cannot identify any obvious trigger.
Who Can Develop Fibromyalgia?
Anyone can potentially develop fibromyalgia.
However, the condition is diagnosed more frequently in women than men.
Risk may also be higher among people with certain other conditions, including some forms of arthritis.
Having a risk factor does not mean someone will necessarily develop fibromyalgia.
How Is Fibromyalgia Diagnosed?
There isn’t one simple test that proves someone has fibromyalgia.
Diagnosis typically involves evaluating symptoms and medical history while considering whether another condition could better explain what’s happening.
Because symptoms such as pain and fatigue occur in many conditions, healthcare professionals may sometimes perform tests to rule out other possible causes.
That’s one reason self-diagnosis based on a social-media symptom list isn’t reliable.
Can Fibromyalgia Be Treated?
There currently isn’t a simple cure for fibromyalgia, but symptoms can often be managed.
Treatment may involve a combination of approaches depending on the individual.
These can include:
Appropriate physical activity
Sleep management
Stress-management strategies
Cognitive behavioral approaches
Certain medications
Treatment of related conditions
The CDC notes that physical activity can help reduce pain and improve function and mood, while healthcare providers may also recommend medication and other strategies.
Treatment should be individualized with a qualified healthcare professional.
Why Emotional Health Still Matters
Emotional well-being deserves attention — just not because emotions should be blamed for causing fibromyalgia.
Living with persistent pain can be exhausting and isolating.
Stress-management techniques, counseling, relaxation strategies, social support, and appropriate mental-health treatment can be valuable parts of overall care for some people.
Taking care of emotional health doesn’t mean the physical symptoms are imaginary.
Pain and emotional well-being can influence each other while both remain real.
When Should You Talk to a Doctor?
Persistent widespread pain, unexplained fatigue, significant sleep problems, or cognitive changes deserve medical attention — particularly when they begin interfering with everyday life.
These symptoms can occur with fibromyalgia, but they can also be associated with many other conditions.
A healthcare professional can assess the overall pattern and determine whether further evaluation is appropriate.
The Bottom Line
Fibromyalgia is a complex condition that can affect much more than muscles and joints.
Widespread pain, fatigue, sleep disturbances, cognitive difficulties, headaches, increased sensitivity, digestive symptoms, and emotional difficulties can all be part of the experience.
But describing fibromyalgia simply as “the disease of unexpressed emotions” is misleading.
Stress and emotional health can influence symptoms, but current evidence does not establish suppressed emotions as the cause of fibromyalgia.
Understanding that distinction helps us discuss the condition with both compassion and scientific accuracy.
If you experience persistent widespread pain or several of the symptoms described above, don’t rely on an online checklist for a diagnosis. Speak with a qualified healthcare professional.
Medical Disclaimer: This article is for general informational and educational purposes only. It is not intended to diagnose, treat, cure, or prevent fibromyalgia or any other medical condition and does not replace professional medical advice.