Fibromyalgia (FM) is a widespread chronic pain condition affecting the whole body, causing generalized tenderness, fatigue, and sleep issues, while TMJ (Temporomandibular Joint Disorder or TMD) is a localized issue with the jaw joint and muscles, causing pain with chewing, yawning, or jaw movement, though both often coexist and share symptoms like facial/jaw pain, neck stiffness, and sensitivity. The key difference is scope: FM is systemic (whole body) and linked to nervous system sensitivity, while TMD is mechanical/structural, related to joint dysfunction, grinding, or clenching, though FM can worsen TMD symptoms, notes Human Health and National Institutes of Health (NIH).
Identifying a case of TMJ disorder is one of the greatest diagnostic challenges in all of medical science. In addition to the potential of confusing TMJ disorder with fibromyalgia, patients with TMJ disorder often experience frequent and painful headaches that may be misidentified as migraines.
So what does fibromyalgia jaw pain feel like? The main symptoms of fibromyalgia-related jaw pain is aching in the muscles of your face, head, and neck, and many people also have limited jaw mobility (often due to muscle tension and fatigue).
The short answer is no, fibromyalgia does not cause fevers. However, fibromyalgia flare-ups may be the culprit for this feeling. During a flare-up, you may experience a sensation similar to fever, despite the absence of any infection.
In addition, connective tissue disorders and autoimmune diseases that can affect the TMJs include: rheumatoid arthritis, juvenile rheumatoid arthritis, juvenile idiopathic condylar resorption, psoriatic arthritis, ankylosing spondylitis, Sjogren's syndrome, systemic lupus erythema, scleroderma, mixed connective tissue ...
Factors that may raise the risk of getting TMJ disorders include:
The "worst" autoimmune diseases are subjective but often ranked by severity, impact on life expectancy, and organ damage, with top contenders including Giant Cell Myocarditis (deadly heart inflammation), Vasculitis (blood vessel inflammation like GPA), Systemic Lupus Erythematosus (multi-organ attacks), Multiple Sclerosis (nervous system damage), and Type 1 Diabetes (pancreas destruction). These conditions can severely affect quality of life, cause permanent disability, and reduce lifespan if not managed effectively, though rare ones like Giant Cell Myocarditis are acutely fatal.
Each person's symptoms may vary. But chronic pain is the most common symptom. The pain most often affects the muscles and the points where muscles attach to bones. These are the ligaments and tendons.
Toothaches in those with fibromyalgia aren't always due to typical dental issues such as cavities or gum disease. Instead, fibromyalgia can cause orofacial pain that is unrelated to these common dental problems1.
Myalgic encephalomyelitis/Chronic fatigue syndrome [for succinctness, CFS] and fibromyalgia [FM] are medically unexplained illnesses, predominantly in women, characterized by disabling fatigue and by widespread pain with tenderness, respectively.
Cervical pain, and even facial pain, especially in terms of masticatory fatigue, are extremely common in FS. Comorbidities are also extremely common, even in the field of orofacial pain, as up to 80% of patients with FM also suffer from headaches or temporomandibular disorders [6].
The Symptoms Of Arthritis In The Jaw Joints
Once arthritis emerges, it can cause considerable pain, limited jaw movement, bite changes, and even chewing problems.
Fibromyalgia Tender Points
According to research administered by the National Institutes of Health, fibromyalgia patients have a high incidence of TMJ disorder and exhibit classic TMJ symptoms such as clicking or popping sounds during mouth movement, along with facial pain and muscle pain in the head and neck.
Chronic sinus pain, for example, can feel a lot like TMJ disorder — especially when it comes to the facial pain it causes. Because it can be caused by allergies and does not require a fever or mucous discharge makes it even more likely to be mistaken. Migraines or tension headaches can also mimic TMJ disorder.
TNX-102 SL (Tonmya; Tonix Pharmaceuticals), cyclobenzaprine HCl sublingual tablets, has been approved by the FDA to treat fibromyalgia in adult patients, making it the first new treatment approved for the musculoskeletal and chronic pain disorder in over 15 years and the fourth treatment approved overall.
Unusual Symptoms of Fibromyalgia:
Paresthesia – Tingling, numbness, or "pins and needles" sensations in hands and feet. Phantom itching or burning sensations – Feeling itchy or a burning sensation with no clear cause. Dizziness and balance issues – Some people experience vertigo-like symptoms.
Duloxetine (Cymbalta) and milnacipran (Savella) may help ease fibromyalgia pain and fatigue. Your doctor may prescribe amitriptyline or the muscle relaxant cyclobenzaprine to help with pain or sleep. Anti-seizure medicines. Epilepsy medicines often help ease some types of pain.
FM patients may present with numerous oral complaints, such as xerostomia, glossodynia, and dysgeusia. Xerostomia, known as dry mouth, is a subjective sensation of dryness in the mouth, which often accompanies salivary gland hypofunction. The incidence of xerostomia with FM varies from 7% to 71% [39,44].
To meet the fibromyalgia criteria, patients must have widespread pain in at least 11 of the 18 specified tender points in all four quadrants of the body for a minimum of three months. The 18 sites used for the fibromyalgia diagnosis cluster around the neck, shoulder, chest, hip, knee, and elbow regions.
Küçük et al15 compared 58 women with fibromyalgia with a control group of women without fibromyalgia and noted that the vitamin D, B12, and ferritin levels were lower in the patients with fibromyalgia than in the control group and that there was a negative correlation between the number of tender points and these ...
Experts don't know what causes fibromyalgia, but studies have found that certain health conditions, stress and other changes in your life might trigger it. You might be more likely to develop fibromyalgia if one of your biological parents has it.
Common symptoms of autoimmune disease include:
Myositis is an autoimmune disease involving chronic inflammation that leads to the weakening of muscles over time, particularly those in the neck, shoulders, hips and back. It may be painful, too. The muscle inflammation is from the immune system losing tolerance of the muscle.
Alopecia areata is an autoimmune disease that causes patchy hair loss anywhere on your body, but it most commonly affects the hair on the skin that covers your head (scalp). “Alopecia” is a medical term for hair loss or baldness, and “areata” means that it occurs in small, random areas.