Pain is the nervous system’s alarm. It can warn that tissue is injured or under threat, or it can keep sounding after the original problem has settled. It may feel sharp, dull, burning, tingling, stabbing or deep and hard to place. It can sit in one joint or spread across the body — and two people with the same condition can rate the same day completely differently.
Unrelieved pain does more than hurt. It can shrink social life, disturb sleep, sap mood and make work or caring feel impossible. Surveys of adults with ongoing pain often find the back, hips, knees and feet are common sites, with knock-on limits on daily tasks and more days off work than peers without chronic pain.
Chronic pain is especially common later in life and has been linked with higher health risks, but it is not only an older person’s problem — a sizeable share of younger adults also live with long-term pain. Speaking to your GP matters: for many people, pain is a daily companion, and a clear description of yours is one of the best diagnostic clues you can give.
Types of Pain
Clinicians often treat pain as a warning signal first — then ask what is driving it. Sorting the source helps you know when to protect a joint and when carefully graded movement is safer than complete rest.
Pain can be grouped by site, by inflammatory versus mechanical drivers, by whether it is focal or whole-body, by whether both sides are involved, by how severe or long-lasting it is (acute versus chronic), by fibromyalgia-type widespread sensitivity, or by nerve (neuropathic) damage. Whatever label fits best, naming the pattern is the first step toward the right treatment plan.
Inflammatory vs. Mechanical Pain
Inflammatory pain can mean heightened sensitivity after tissue injury, or pain from a disease process — often autoimmune — in which the immune system targets healthy tissue. Typical features include lasting longer than three months, heat and swelling, stiffness after rest, flare–remission cycles, and a deep gnawing or throbbing quality.
Conditions that can drive inflammatory patterns include:
- Ankylosing spondylitis
- Gout
- Inflammatory bowel disease–related arthritis
- Lyme disease
- Lupus
- Polymyalgia rheumatica
- Psoriatic arthritis
- Rheumatoid arthritis
Inflammatory flares can intensify without a clear lifestyle trigger — for example a sudden spike of heat, redness and swelling in gout, or an unexplained step-up in psoriatic arthritis pain.
Mechanical pain is often felt in the spine or weight-bearing joints and reflects stress on discs, ligaments, muscle or nerve. It tends to be acute or clearly linked to injury, load or degenerative change, may start suddenly, and does not always ease simply by keeping moving.
Examples linked with mechanical patterns include:
- Degenerative disc disease
- Spinal stenosis
- Herniated disc
- Fracture
- Severe scoliosis
- Osteoarthritis
Questions that help separate the two include how long pain has been present, family history of inflammatory arthritis, how it began, and whether mornings are worst.
Mechanical problems are often managed with relative rest (not total stillness), NSAIDs if suitable, heat or ice, and physiotherapy — you still need modified movement so joints do not seize and muscles do not waste. Inflammatory disease usually needs medicines that calm the underlying process (from NSAIDs and steroids to DMARDs, biologics or JAK inhibitors, as advised by your team). Even after inflammation settles, some people still feel chronic pain, so ongoing symptom plans still matter.
Focal vs. Systemic Pain
Focal pain is local — you can often point to it with one finger — and commonly follows trauma or a single injured structure. Systemic muscle or joint pain is widespread and may follow illness, infection or a medicine reaction. Most inflammatory rheumatic diseases sit in the systemic group, as do infections such as Lyme disease, COVID-19 or hepatitis.
A practical contrast: waking so stiff that the whole body takes two or three hours to loosen suggests a systemic pattern; waking with stiffness mainly in one knee sounds more focal.
Bilateral Pain
Bilateral means both sides of the body. Feeling pain left and right together can intensify symptoms and limit mobility; swelling and stiffness often travel with it. Bilateral patterns lean toward inflammatory illness more than a single-site mechanical injury — though osteoarthritis can sometimes affect matching joints on both sides.
Apart from osteoarthritis, many bilateral inflammatory conditions are autoimmune. Examples (with typical sites) include:
- Fibromyalgia — tender points in many regions
- Osteoarthritis — less often strictly bilateral; knees, hips, hands, feet
- Polymyalgia rheumatica — shoulders, upper arms, neck, pelvis
- Psoriatic arthritis — knees, ankles, hands, feet
- Rheumatoid arthritis — hands, wrists, knees or hips
Finding the cause matters: untreated psoriatic arthritis, osteoarthritis and rheumatoid arthritis can permanently damage joints.
Fibromyalgia Pain
Fibromyalgia is a long-term condition of widespread pain and heightened sensitivity. There is no cure yet, but medicines and non-drug approaches can ease symptoms. It can affect anyone and is more often diagnosed in women and people over 40. It frequently coexists with rheumatoid arthritis, lupus, osteoarthritis or ankylosing spondylitis.
Widespread aching, burning, throbbing or stabbing pain — often in the limbs, trunk, head and buttocks — is central. Other features can include fatigue, poor sleep, stiffness, tenderness, limb tingling, concentration problems, sensory sensitivity, and gut symptoms such as bloating or constipation.
Tender points (small, often symmetrical areas away from the joints that hurt with light pressure) are a classic feature. Common sites include the front of the lower neck, upper chest edge, near the elbow, the knee, the skull base, the hip bone, the upper outer buttock, and the back of the neck and shoulders.
Without support, symptoms can worsen and weigh heavily on mood. If you recognise widespread tender points, discuss them with your GP so you can get a clear diagnosis and a plan.
Acute vs. Chronic Pain
Acute pain arrives suddenly and usually settles within days to weeks — generally under three months. It can feel sharp, throb, tingle, burn or numb, is often intense, and usually has a clear trigger such as illness, injury or surgery. That protectiveness is useful: it flags that an area needs care.
Examples include fractures, muscle sprains or tears, post-operative pain, burns and cuts.
Chronic pain builds or persists over months or years. Intensity can wax and wane. People describe ache, burn or shooting sensations. It touches every part of daily life and is linked with higher rates of anxiety and depression.
Examples of how chronic disease pain may feel (everyone differs):
- Ankylosing spondylitis — ongoing deep, dull back pain
- Fibromyalgia — whole-body ache, muscle discomfort, twitching feelings
- Inflammatory bowel disease — abdominal cramping, burning, stabbing or aching
- Lower back pain — tingling, burning, dull, sharp or radiating
- Osteoarthritis — swelling, tenderness, stiffness, grating sensations
- Psoriatic arthritis — morning-worse, tender, throbbing joints
- Rheumatoid arthritis — hand and foot tingling, joint stiffness and swelling
Pain lasting beyond three months should be reported — early treatment of some diseases can prevent irreversible joint damage.
Neuropathic Pain
Neuropathic pain comes from disease or damage in the nerves that carry touch, pressure and temperature. Roughly a quarter of people with chronic pain have a neuropathic component. Messages to the brain become distorted; the feeling is often less of a clean “cut” and more burning, tingling or electric.
Frequent drivers include:
- Diabetes — high glucose injures nerves; burning or tingling often starts in the feet and can climb the legs, sometimes with later loss of feeling
- Chemotherapy — some cancer treatments cause tingling, numbness or weakness in hands and feet that may ease after treatment ends
- HIV — advanced disease can bring burning, stiffness or prickling in the toes or soles
- Multiple sclerosis — from mild irritation to intense burning or sharp pain
Neuropathic pain from diabetes or HIV may not fully reverse, but treating the underlying condition can slow worsening. Ask your clinical team about options suited to your diagnosis.
Questions to Ask Your Doctor About Pain
How you describe pain shapes what your clinician hears and which treatments they consider. It is reasonable to ask how they decided you have joint, muscle or nerve pain — for example, “How can you tell which structure is involved?”
Other useful questions:
- If the pain shoots or burns, could it be nerve-related?
- When joints feel stiff or tender, which arthritis patterns should we consider?
- What might a deep, throbbing ache point to?
- Why has this lasted more than three months?
- Why is morning pain worse?
- What does pain that spreads from my back into my thighs or buttocks suggest?
Clear communication is often the shortest route to the right next test or treatment.
Next steps on Living With Arthritis
Put this explanation to work with practical relief ideas, flare plans and movement guidance — then talk any lasting pain through with your GP.
Arthritis pain relief tipsFlare-up guideGentle exercisesSelf-help tool