How is Pain Assessed and When Should You See a Doctor?

Summary: The location, duration, severity of pain and accompanying findings are the key measures determining when to seek medical attention. Sudden, very severe pain; when accompanied by chest pain, shortness of breath, changes in consciousness, loss of strength or serious trauma, emergency evaluation is needed. With other pain types, the impact on daily life and changes over time should be monitored.

Pain, diagnosis and when to seek medical attention must be evaluated together as a personal health experience. The question "How much pain are you in?" alone is insufficient; where the pain started, where it radiates to, how long it lasts, whether it changes with movement and accompanying symptoms guide the diagnostic process. Pain lasting longer than three months or recurring pain may be evaluated as chronic pain (PMID 36400536 — Chronic Pain: Prevalence and Management, 2022).

Back pain, neck and spinal pain or joint pain sometimes eases with rest and adjustment of daily loading; sometimes it indicates nerve involvement, injury or another health condition. The key determinant is not how much pain can be tolerated, but how the pain affects function and what findings accompany it. This distinction makes the boundary between emergency attendance and scheduled medical evaluation clearer.

What is Pain and How Does it Occur in the Body?

Pain is a sensory and emotional experience associated with actual or potential tissue damage. Danger signals from the tissue are carried via nerve pathways to the spinal cord and brain; the brain processes this information together with the person's previous experiences, emotional state and environmental conditions. For this reason, a similar stimulus may not produce the same intensity of pain in each person.

Pain sensation is explained through four main stages:

• Transduction: Stimuli such as heat, pressure or tissue damage are converted into electrical signals at nerve endings that sense pain.
• Transmission: The signal travels via peripheral nerves to the spinal cord; then to the brain.
• Modulation: Mechanisms in the spinal cord and brain can amplify, reduce or suppress the signal.
• Perception: The brain interprets the incoming signal as pain and characterises it with properties such as location, intensity, burning, stabbing or throbbing.

This process shows that pain is not simply a message from damaged tissue alone. For example, when nerve tissue is affected, it can lead to burning or electric shock-like pain; whereas pain from muscle, joint or ligament tissue may become more pronounced with movement. Sleep, anxiety, previous pain experiences and a person's general health status can also affect the perceived severity.

Understanding the source of pain requires more than asking "Where does it hurt?" The quality, radiation, relationship to movement and accompanying findings of pain are evaluated together. This approach explains why pain management specialists and other relevant specialties consider the patient's full medical history when planning pain treatment.

Source: Pain assessment (2006), PMID 16320034; The pathophysiology, assessment, and management of acute pain (2023), PMID 36715521.

How are Acute and Chronic Pain Distinguished?

Acute and chronic pain are distinguished by evaluating together their duration, mode of onset and function in the body. Acute pain usually begins with injury or illness and decreases with healing. Chronic pain usually lasts longer than 3 months or persists beyond the expected healing timeframe; distinction is not made by calendar alone.

Assessment criterion	Acute pain	Chronic pain
Onset	Usually distinct and of recent onset	May develop gradually or persist after acute pain
Duration	May last hours, days or weeks	Usually lasts longer than 3 months
Function	May serve as a warning about tissue damage or illness	May persist despite resolution of the original cause, due to nervous system and other factors
Course	Expected to decrease as healing progresses	May fluctuate; can ease some days and worsen other days
Assessment	The cause of pain and accompanying findings are investigated	In addition to physical findings, sleep, movement, emotional state and daily function are examined

Duration is an important clue; however, it is not the sole measure. For example, newly onset severe low back or neck pain may be considered acute, while recurring back or joint pain over three months may require chronic pain evaluation. Pain severity alone does not indicate its type: acute pain can be mild, chronic pain can be intensely severe at times.

The evaluation considers these features together:

• When and how the pain started
• Whether it is continuous or intermittent
• Whether it changes with movement, rest or sleep
• Whether there are nerve-related symptoms such as burning, stabbing, electric shock sensations or numbness
• To what extent it affects daily movements, work and sleep
• Whether it decreases, increases or spreads to other areas over time

Prolongation of acute pain does not necessarily mean pain will be permanent. However, pain that exceeds the expected healing timeframe, recurs or significantly limits daily function should be evaluated by a doctor. In evaluating chronic pain, the patient's physical findings are considered as much as sleep, movement avoidance and psychosocial factors (PMID 29408484 — Evaluating psychosocial contributions to chronic pain outcomes, 2018).

Which Pain Symptoms Require Emergency Evaluation?

If sudden, severe pain is accompanied by breathlessness, chest tightness, altered consciousness, signs of paralysis, serious trauma, or rapidly worsening swelling, emergency assessment is required. The manner of onset and accompanying symptoms are as important as the location of the pain. In situations suggesting life-threatening conditions, the person should call 112 rather than wait with their own resources.

When to Call 112 or Seek Emergency Care

The following symptoms require that the cause of pain be investigated without delay:

• Chest pain accompanied by breathlessness, cold sweating, nausea, fainting sensation, or pain radiating to the jaw, back, or arm
• Sudden, severe headache accompanied by speech disturbance, facial drooping, weakness in the arm or leg, seizures, or altered consciousness
• Severe abdominal pain with abdominal rigidity, bloody vomit, fainting, marked weakness, or persistent vomiting
• After a fall, traffic accident, or blow: deformity, open wound, uncontrolled bleeding, or inability to use the limb
• Back or spinal pain with newly onset loss of bladder or bowel control, numbness around the groin, or rapidly developing weakness in the legs
• After trauma to a limb: rapidly increasing tense swelling, numbness, weakness, coldness, or more severe pain than expected

Findings in the last group may suggest compartment syndrome, where pressure rises within muscle tissue. This condition may be a surgical emergency; taking medication and waiting for the pain to subside is not appropriate.

Findings That Should Be Reported to a Physician on the Same Day

Not every pain requires calling 112. However, assessment should not be delayed in the following situations:

• Redness, heat, swelling, or restricted movement in a joint accompanied by fever of 38°C or above
• Newly onset and progressively increasing neck, back, spinal, or joint pain with added numbness or weakness
• Pain that wakes you at night, does not improve with rest, or changes markedly over a short time
• After surgery or procedure: discharge from the wound site, increasing redness, sudden swelling in the calf, or newly onset breathlessness
• In an older person, groin pain on bearing weight or worsening with movement after a minor fall

The purpose of emergency assessment is not merely pain relief; it is to rapidly distinguish conditions that could be affected by delay, such as cardiac, neurological, infectious, fracture-related, or circulatory disorders. Although pain severity may fluctuate, accompanying changes in breathing, consciousness, strength, and circulation determine the timing of intervention.

How is the Diagnosis of Pain Made?

The diagnosis of pain is made by evaluating together the patient's history, physical examination, and any necessary investigations. The physician enquires about when the pain started, where it is located, how long it lasts, how severe it is, and whether it relates to movement. Based on examination findings, blood tests, X-rays, ultrasound, or MRI may be requested; however, imaging results alone do not constitute a diagnosis.

Pain is a personal experience. For this reason, diagnosis requires not only answering "where does it hurt?" but also looking at how pain affects daily life. The following information is important during assessment:

• Whether the pain started suddenly or gradually
• Whether it is continuous or intermittent
• Whether it is felt as burning, stabbing, throbbing, electric shock, or pressure
• Whether it changes with movement, rest, sleep, or a particular position
• Whether it is accompanied by numbness, weakness, swelling, fever, or restricted movement
• Previous injuries, operations, and existing medical conditions
• Medications used and the effects of previous pain management approaches

Pain severity is usually recorded on a numerical scale from 0 to 10; 0 indicates no pain and 10 represents the most severe pain the person can describe. This value alone does not establish a diagnosis. In follow-up examinations, it helps to compare the course of pain and the effects of treatment applied. The need for multidimensional pain assessment is also addressed in the Pain assessment study (2006, PMID 16320034).

Physical examination may assess joint movements, muscle strength, reflexes, sensation, and circulation in addition to the painful area. For example, if back pain radiates into the leg, nerve root signs are investigated; if joint pain is accompanied by swelling, findings related to the joint space or surrounding tissues are sought.

Test selection is based on the preliminary diagnosis from the examination:

Investigation	Contribution to assessment
X-ray	Bone structure, fractures, and changes in joint space
Ultrasound	Muscle, tendon, and superficial soft tissues
MRI	Disc, ligaments, cartilage, nerve, and other soft tissues
Blood tests	Suspected infection or inflammatory process
Nerve conduction tests	Suspected nerve compression or nerve function disturbance

Not every change seen on imaging may be the source of pain. Diagnosis becomes clear when the patient's account, physical findings, and test results all support the same clinical picture. For prolonged, unexplained, or multifactorial pain, assessment by specialists in orthopaedics, neurology, physiotherapy, or pain medicine may be required from different perspectives.

Which Doctor Should I Consult for Back, Neck, Spine, and Joint Pain?

For back, neck, and spine pain, evaluation by a physician in physical medicine and rehabilitation may be sought; for joint pain, restricted movement, or injury, assessment by an orthopaedic and trauma surgeon is appropriate. The correct department is determined not so much by the location where pain started, but by the trauma history, duration, radiation of pain, accompanying weakness, and joint findings.

Initial department selection can be made as follows:

• Back, neck, or spine pain: For musculoskeletal pain, complaints that change with posture, and restricted movement, consultation with a physical medicine and rehabilitation department is appropriate.
• Joint pain or trauma: If there is injury, swelling, locking, sensation of giving way, or loss of movement in the knee, hip, shoulder, elbow, wrist, or ankle, orthopaedic and trauma assessment is appropriate.
• Pain radiating into the arm or leg: For back and neck pain accompanied by numbness, tingling, or weakness, nerve system involvement is investigated; depending on examination findings, assessment by neurology, physical medicine and rehabilitation, or neurosurgery may be needed.
• Pain in multiple joints: If there is morning stiffness, recurring swelling, or heat in the joints, rheumatology consultation may be considered.
• Prolonged or complex pain: Pain lasting longer than 3 months may be managed as chronic pain. For back, neck, spine, or joint pain that persists despite initial assessment, pain medicine clinics may participate in a pain management plan alongside relevant specialists (PMID 36400536 — Chronic Pain: Prevalence and Management, 2022).

The location of pain alone does not determine the correct region. For example, back pain radiating to the hip may be related to nerve root involvement, shoulder pain may be associated with joint or nerve irritation from the neck. Therefore, during the initial consultation, it is important to clearly explain when the pain started, which movements make it worse, where it spreads to, and how it affects daily function.

After trauma, if there is deformity, inability to bear weight or loss of arm function; new significant weakness or changes in bowel or bladder control, urgent evaluation is needed without waiting for an outpatient appointment.

What is Algology and Which Pains Does It Treat?

Algology is a branch of medicine that evaluates together the cause of persistent or recurrent pain, its effects on daily living, and treatment options. Algologists specifically manage chronic back, neck, upper back, head and nerve pain; cancer pain and certain post-operative pain. The aim is to create an individualised control plan based on the source of pain.

Algological pain assessment does not rely solely on the question "where does it hurt?". The duration, spread, intensity of the pain, its effects on movement and sleep, and response to previous treatments are considered together. Generally, pain lasting longer than 3 months is evaluated as chronic pain (Chronic Pain: Prevalence and Management, 2022; PMID 36400536).

Conditions that can be evaluated in the algology department include:

• Back, neck and upper back pain
• Pain accompanied by burning, tingling and numbness related to nerve damage or nerve compression
• Migraine and other long-standing headaches
• Joint and musculoskeletal pain
• Cancer-related pain
• Pain continuing after surgery or injury
• Special conditions requiring dedicated evaluation, such as complex regional pain syndrome

Algologists may provide evaluation after referral by orthopaedics, neurology, physiotherapy, neurosurgery or another specialty according to patient findings. Direct algology referral is also possible; required multidisciplinary collaboration is determined based on examination findings.

Algological pain management may include medication adjustment, exercise and rehabilitation support, review of lifestyle factors, or interventional techniques in suitable patients. The onset of effect of injections varies according to the method used, the targeted tissue and the patient's condition; there is no single timeframe applicable to every 'algology injection'.

In any surgical or interventional procedure, results vary from person to person. The decision for interventional pain management is made after examination and necessary investigations are completed.

How Is Pain Management Planned?

Pain management is planned by evaluating together the cause, duration, severity of pain and its effect on daily living. Rather than relying on a single method, movement management, exercise and physiotherapy, medications, psychosocial support, interventional procedures or, when necessary, surgical options are addressed in a stepwise manner. The plan is adjusted based on patient response and associated conditions.

The first goal of treatment is not only to lower the pain score. Changes in sleep, walking, working, using stairs or self-care activities are also monitored. Scoring pain between 0 and 10 provides a common language for follow-up; however it does not establish a diagnosis by itself (PMID 16320034 — Pain assessment (2006)).

Pain management may be planned using one or a combination of the following approaches:

• Cause-based approach: Treatment addresses problems originating from joints, muscles, nerves or internal organs. Although back, neck, spine and joint pain may appear under the same heading, their treatments may differ.
• Movement and rehabilitation: Individualised exercise, physiotherapy, load management and daily activity modifications are assessed.
• Medication therapy: The type of medication to be used is determined by the doctor based on the source of pain, the patient's age, other illnesses and current medications. Medications should not be started, stopped or changed without consulting a doctor.
• Psychosocial support: In long-standing pain, sleep disturbance, anxiety, movement avoidance and daily life burden may be included in the treatment plan.
• Interventional pain management: Algologists may evaluate nerve blocks or injection techniques in suitable patients. The goal, expected benefits and possible risks of the procedure are explained before the intervention.
• Surgical evaluation: If there is structural damage, loss of function or significant symptoms despite other treatments, the opinion of the relevant surgical specialty may be sought. Surgical decisions are not made based on pain severity alone; examination, imaging and the patient's functional level are evaluated together.

In any surgical or interventional procedure, results vary from person to person. The appropriate approach is determined following examination and clinical evaluation.

How to Monitor Pain in Daily Life?

Daily pain monitoring is performed by regularly recording the location, intensity and duration of pain, its triggers, and how it affects daily activities. A brief pain diary not only provides information about 'how much pain there is' but also makes visible changes in walking, sleep, work and movement, supporting the doctor's evaluation.

Pain intensity can be recorded on a 0–10 scale: 0 means no pain and 10 represents the worst pain the person can imagine. This score is personal; its true value lies in showing change over time in the same person. For example, a knee pain score rising from 4 to 7 is just as important as increased difficulty using stairs.

A pain diary may include the following information:

• The date and time of day when pain started
• The region where it is felt, such as the back, neck, upper back, head or joint
• Its character, such as stabbing, burning, throbbing, squeezing or tingling sensation
• How long it lasts and how many times it recurs during the day
• Its relationship with movement, prolonged sitting, sleep or specific activities
• Associated features such as numbness, tingling, weakness, swelling or restricted movement
• The effects of used treatment, as recommended by the doctor, on pain and function
• Changes affecting sleep, walking, work and self-care

A repeated pattern may be more informative than a single high score. Pain that improves in the morning but limits walking in the evening differs from pain that continues at rest, requiring different management approaches. Pain assessment considers not only severity but also physical function, emotional state and social impact; examination of psychosocial contributions is therefore important in chronic pain (PMID 29408484 — Evaluating psychosocial contributions to chronic pain outcomes, 2018).

Records can be used by orthopaedic, physiotherapy or pain management specialists to plan pain treatment during examination. If pain changes markedly, starts in a new area, or increasingly limits daily activities, medical evaluation is required rather than continuing with a diary alone.

Frequently asked questions

What complaints warrant referral to the pain clinic?

The pain management clinic can be consulted for back, neck, upper back, head, joint and nerve pain lasting longer than three months or recurring. Cancer pain, ongoing postoperative pain and unexplained chronic pain are also evaluated. For newly onset severe pain, an urgent cause is first ruled out.

Which doctor makes referrals to the pain management clinic?

Referral to the pain management clinic can be made by a general practitioner or the specialist evaluating the patient. Orthopaedic surgeons, neurologists, specialists in physical medicine and rehabilitation, neurosurgeons or oncologists may direct patients depending on the source of pain. Although direct appointment booking may be available at some healthcare facilities, referral conditions vary by institution.

What is a doctor who specialises in pain management called?

A doctor who specialises in the evaluation and treatment of pain is called a pain management specialist. Pain management specialists assess the duration, location, spread, impact on daily life and accompanying features of pain together. The treatment plan may include non-pharmacological approaches, medication or interventional procedures in suitable patients.

When does the effect of a pain management injection begin?

The time at which a pain management injection begins to work varies depending on the technique used, the medication, the injection site and the patient's condition. In some procedures the effect may be noticed quickly, whilst in others evaluation may require several days; temporary numbness is not the same as the actual therapeutic effect. The expected timeframe and follow-up plan should be explained by the doctor performing the procedure.

When should a doctor be consulted for persistent pain?

Medical evaluation is required if pain does not ease within a few days, is progressively worsening, recurs, or significantly affects sleep, walking and daily activities. Consultation should not be delayed if there is numbness, weakness, joint swelling, fever, unexplained weight loss or a history of trauma. Pain duration alone does not establish a diagnosis; examination and imaging if needed help identify the cause.

Which symptoms alongside pain require emergency care?

Chest pain accompanied by shortness of breath or cold sweating; sudden and very severe headache; weakness in the face, arm or leg; speech disturbance; changes in consciousness; and serious trauma require emergency evaluation. Severe abdominal pain with fainting, bleeding or continuous vomiting; rapid swelling, tightness, colour change or unbearable pain in a limb also require calling 112 or attending an emergency department. This information does not replace medical diagnosis.