It is fair to say, pain is not something pleasant! The official definition given by the International Association for the Study of Pain (IASP) is “an unpleasant sensory and emotional experience associated with, or resembling that associated with, actual or potential tissue damage.”1
Pain is always a personal experience that is influenced to varying degrees by biological, psychological, and social factors.1
The perception of pain varies from person to person.
Pain perception varies significantly among individuals, even when the underlying injury or condition is the same. For example, one patient may tolerate a fracture with minimal discomfort, while another may report severe pain from a similar injury. 3
This variability is due to the complex interplay between peripheral nerve fibers—responsible for transmitting pain signals—and the brain, which processes and interprets these signals.3
Because each person’s body is unique, their nerve fibers and brain may respond differently to the same stimulus. This helps explain why pain perception and tolerance can vary widely from one individual to another.3
Different Types of pain
While pain is a nearly universal human experience, it presents in many different forms. Some forms of pain are temporary while others are lifelong conditions.4
Acute Pain
lasting from minutes or months (less than 6 months) 3
Soft tissue injuries3
Pain after Surgery4
Broken bones4
Dental pain5
Burns or cuts5
Labor and childbirth5
Acute pain from an injury may evolve into chronic pain if the injury doesn’t heal correctly or if the pain signals malfunction.3
Chronic Pain
Chronic pain lasts more than six months and ranges from mild to severe3
Back pain4
Headaches*4
Arthritis3
*Headaches can be considered chronic pain when they continue over many months or years – even if the pain isn’t always present3
Neuropathic Pain
Neuropathic pain is due to nerve damage. It may feel like a stabbing sensation, burning, shooting pain, or sharp pain4
Cancer4
Limp ambutation4
Stroke4
Diabetes4
Nociceptive Pain
Nociceptive pain is a result of tissue damage. It can be described as a throbbing, sharp, or achy pain and typically arises from external injuries4
Joints4
Muscles4
Bones4
Tendons4
Why describing pain accurately is important?
Accurately describing pain by clearly stating its location, type, intensity, and duration is essential for proper diagnosis and effective pain management5
Maintaining a structured pain diary is a valuable tool to support clinical assessment and pain management.6
A pain diary can provide healthcare professionals with a more comprehensive picture of a patient’s condition over time, enabling them to assess symptom patterns, identify triggers, and evaluate treatment response.6
Pain Assessment and Measurements
Pain assessment and measurements refer to the systematic process of evaluating and quantifying a person’s experience of pain. Gathering information from patients about their pain experience is essential to better understand and manage it.7
Accurate pain assessment also considers pain's location, impact, and cultural factors, ultimately guiding tailored treatments for improved pain management and overall patient care.7
Pain is by definition subjective, and individuals may perceive and describe it differently. Healthcare providers must respect and believe patients' self-reported pain levels.7
Biomarkers offer an objective way to measure certain aspects of the mechanisms involved in generating the pain reported by the patient. These biomarkers may include behavioral, physiological, biochemical, or molecular changes associated with pain.7
References
Raja SN, Carr DB, Cohen M, Finnerup NB, Flor H, Gibson S, Keefe F, Mogil JS, Ringkamp M, Sluka KA, Song XJ. The Revised IASP definition of pain: concepts, challenges, and compromises HHS Public Access. Pain. 2020;161(9):1976-82.
Yang L, Peng W. Prevalence and factors associated with body pain: results of a nationally representative survey of 9,586 Chinese adults aged 60 and over. Frontiers in Public Health. 2021 Mar 8;9:634123.
Corewell Health. Different Types of Pain. Available at: https://www.beaumont.org/services/pain-management-services/types-of-pain ; Last accessed 28.12.2025
American University of Caribbean School of medicine. Different Types of Pain. Available at:https://www.aucmed.edu/about/blog/types-of-pain-management; Last accessed 28.12.2025
Eunice Kennedy Shriver National Institute of Child Health and Human Development. How can I describe my pain to my health care provider?. Available at:https://www.nichd.nih.gov/health/topics/pelvicpain/conditioninfo/describe; last accessed 28.12.2025
Arthritis-uk. What is a pain diary and how do I start one?.Available at: https://www.arthritis-uk.org/news/2023/january/what-is-a-pain-diary-and-how-do-i-start-one/ ; last accessed 28.12.2025
International association for the study of pain (IASP). Pain Assessment and Measurements.Available at: https://www.iasp-pain.org/resources/topics/pain-assessment-and-measurements/; last accessed 28.12.2025
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