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Pain
Pain is a distressing feeling often caused by intense or damaging Stimulus (physiology), stimuli. The International Association for the Study of Pain defines pain as "an unpleasant sense, sensory and emotional experience associated with, or resembling that associated with, actual or potential tissue damage." Pain motivates organisms to withdraw from damaging situations, to protect a damaged body part while it heals, and to avoid similar experiences in the future. Congenital insensitivity to pain may result in reduced life expectancy. Most pain resolves once the noxious stimulus is removed and the body has healed, but it may persist despite removal of the stimulus and apparent healing of the body. Sometimes pain arises in the absence of any detectable stimulus, damage or disease. Pain is the most common reason for physician consultation in most developed countries. It is a major symptom in many medical conditions, and can interfere with a person's quality of life and general fun ...
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Pain Medicine
Pain management is an aspect of medicine and health care involving relief of pain (pain relief, analgesia, pain control) in various dimensions, from acute and simple to chronic and challenging. Most physicians and other health professionals provide some pain control in the normal course of their practice, and for the more complex instances of pain, they also call on additional help from a specific medical specialty devoted to pain, which is called pain medicine. Pain management often uses a multidisciplinary approach for easing the suffering and improving the quality of life of anyone experiencing pain, whether acute pain or chronic pain. Relieving pain (analgesia) is typically an acute process, while managing chronic pain involves additional complexities and ideally a multidisciplinary approach. A typical multidisciplinary pain management team may include: medical practitioners, pharmacists, clinical psychologists, physiotherapists, occupational therapists, recreationa ...
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Neuropathic Pain
Neuropathic pain is pain caused by a lesion or disease of the somatosensory nervous system. Neuropathic pain may be associated with abnormal sensations called dysesthesia or pain from normally non-painful stimuli (allodynia). It may have continuous and/or episodic (paroxysmal) components. The latter resemble stabbings or electric shocks. Common qualities include burning or coldness, "pins and needles" sensations, numbness and itching. Up to 7–8% of the European population is affected by neuropathic pain, and in 5% of persons it may be severe. The pain may result from disorders of the peripheral nervous system or the central nervous system (brain and spinal cord). Neuropathic pain may occur in isolation or in combination with other forms of pain. Medical treatments focus on identifying the underlying cause and relieving pain. In cases of peripheral neuropathy, the pain may progress to insensitivity. Diagnosis Diagnosis of pain conditions relies on the character of the pain w ...
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Analgesic
An analgesic drug, also called simply an analgesic, antalgic, pain reliever, or painkiller, is any member of the group of drugs used for pain management. Analgesics are conceptually distinct from anesthetics, which temporarily reduce, and in some instances eliminate, sensation, although analgesia and anesthesia are neurophysiologically overlapping and thus various drugs have both analgesic and anesthetic effects. Analgesic choice is also determined by the type of pain: For neuropathic pain, recent research has suggested that classes of drugs that are not normally considered analgesics, such as tricyclic antidepressants and anticonvulsants may be considered as an alternative. Various analgesics, such as many NSAIDs, are available over the counter in most countries, whereas various others are prescription drugs owing to the substantial risks and high chances of overdose, misuse, and addiction in the absence of medical supervision. Etymology The word ''analgesic'' derive ...
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Peripheral Neuropathy
Peripheral neuropathy, often shortened to neuropathy, refers to damage or disease affecting the nerves. Damage to nerves may impair sensation, movement, gland function, and/or organ function depending on which nerve fibers are affected. Neuropathies affecting motor, sensory, or autonomic nerve fibers result in different symptoms. More than one type of fiber may be affected simultaneously. Peripheral neuropathy may be acute (with sudden onset, rapid progress) or chronic (symptoms begin subtly and progress slowly), and may be reversible or permanent. Common causes include systemic diseases (such as diabetes or leprosy), hyperglycemia-induced glycation, vitamin deficiency, medication (e.g., chemotherapy, or commonly prescribed antibiotics including metronidazole and the fluoroquinolone class of antibiotics (such as ciprofloxacin, levofloxacin, moxifloxacin)), traumatic injury, ischemia, radiation therapy, excessive alcohol consumption, immune system disease, celiac disease, ...
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Psychological Pain
Psychological pain, mental pain, or emotional pain is an unpleasant feeling (a suffering) of a psychological, mental origin. A pioneer in the field of suicidology, Edwin S. Shneidman, described it as "how much you hurt as a human being. It is mental suffering; mental torment." There are numerous ways psychological pain is referred to, using a different word usually reflects an emphasis on a particular aspect of mind life. Technical terms include algopsychalia and psychalgia, but it may also be called mental pain, emotional pain, psychic pain, social pain, spiritual or soul pain, or suffering. While these clearly are not equivalent terms, one systematic comparison of theories and models of psychological pain, psychic pain, emotional pain, and suffering concluded that each describe the same profoundly unpleasant feeling. Psychological pain is widely believed to be an inescapable aspect of human existence. Other descriptions of psychological pain are "a wide range of subjective ex ...
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Nociplastic Pain
Nociplastic pain, formerly known as central sensitisation, is chronic pain that persists without evidence of tissue injury, resulting in and being sustained by aberrant or heightened pain signal processing of the central nervous system (CNS). It may occur in combination with the other types of pain or in isolation. The pain may be generalised or multifocal, and it can be out of proportion to any associated physical cause. The concept and term were formally added to the taxonomy of the International Association for the Study of Pain (IASP) following the recommendation of a task force in 2017. The root terms are Latin ''nocēre'', meaning to hurt, and Greek ''πλαστός'', meaning development or formation in a medical context. This type of pain typically arises in some chronic pain conditions, with the archetypal condition being fibromyalgia. Exercise, psychotherapy, and medical therapies are commonly prescribed for such conditions. Nociplastic pain has also been hypothesize ...
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Psychogenic Pain
Psychogenic pain is physical pain that is caused, increased, or prolonged by mental, emotional, or behavioral factors, without evidence of physical injury or illness. Headache, back pain, or stomach pain are some of the most common types of psychogenic pain. It is commonly accompanied by social rejection, broken heart, grief, lovesickness, regret, or other such emotional events. This pain can also be caused by psychological disorders such as anxiety and depression, which can affect the onset and severity of pain experienced. The International Association for the Study of Pain (IASP) defines pain as "an unpleasant sensory and emotional experience associated with, or resembling that associated with, actual or potential tissue damage." This definition was revised for the first time since 1979 in 2020, and was officially published in the ICD-11. The IASP broadens this definition to include psychogenic pain with the following points: * Pain is always a personal experience that is ...
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Rheumatoid Arthritis
Rheumatoid arthritis (RA) is a long-term autoimmune disorder that primarily affects synovial joint, joints. It typically results in warm, swollen, and painful joints. Pain and stiffness often worsen following rest. Most commonly, the wrist and hands are involved, with the same joints typically involved on both sides of the body. The disease may also affect other parts of the body, including skin, eyes, lungs, heart, nerves, and blood. This may result in a anemia, low red blood cell count, pleurisy, inflammation around the lungs, and pericarditis, inflammation around the heart. Fever and low energy may also be present. Often, symptoms come on gradually over weeks to months. While the cause of rheumatoid arthritis is not clear, it is believed to involve a combination of genetic and environmental factors. The underlying mechanism involves the body's immune system attacking the joints. This results in inflammation and thickening of the synovium, joint capsule. It also affects the und ...
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Nociceptors
A nociceptor (; ) is a sensory neuron that responds to damaging or potentially damaging stimuli by sending "possible threat" signals to the spinal cord and the brain. The brain creates the sensation of pain to direct attention to the body part, so the threat can be mitigated; this process is called nociception. Terminology Nociception and pain are usually evoked only by pressures and temperatures that are potentially damaging to tissues. This barrier or threshold contrasts with the more sensitive visual, auditory, olfactory, taste, and somatosensory responses to stimuli. The experience of pain is individualistic and can be suppressed by stress or exacerbated by anticipation. Simple activation of a nociceptor does not always lead to perceived pain, because the latter also depends on the frequency of the action potentials, integration of pre- and postsynaptic signals, and influences from higher or central processes. Scientific investigation Nociceptors were discovered by Charles ...
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Congenital Insensitivity To Pain
Congenital insensitivity to pain (CIP), also known as congenital analgesia, is an inability for a person to feel physical pain due to various rare genetic conditions. CIP is caused by genetic mutations that affect the development or function of nociceptors, the sensory neurons in the brain responsible for recognizing tissue damage. Common symptoms include damage to the oral cavity, repeated bone fractures, and sometimes the inability to sweat. Some forms of CIP are also correlated with intellectual disabilities, learning disabilities, or attention deficit hyperactivity disorder (ADHD). Hereditary sensory autonomic neuropathies (HSAN) fall under the umbrella of CIP. Methods of treatment are still being explored. The epidemiology of CIP is unclear, given the relatively low number of reported cases. Classification The term congenital analgesia, also known as CIP, was first coined in the 1970s or 1980s. CIP is an umbrella term that describes a collection of rare genetic disorders th ...
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International Association For The Study Of Pain
The International Association for the Study of Pain (IASP) is an international learned society promoting research, education, and policies for the understanding, prevention, and treatment of pain. IASP was founded in 1973 under the leadership of John J. Bonica. Its secretariat, formerly based in Seattle, Washington Seattle ( ) is the List of municipalities in Washington, most populous city in the U.S. state of Washington (state), Washington and in the Pacific Northwest region of North America. With a population of 780,995 in 2024, it is the List of Unit ..., is now located in Washington, D.C. It publishes the scientific journal ''PAIN, PAIN Reports'' and ''PAIN: Clinical Updates.'' IASP currently has more than 7,200 members from 133 countries and in 94 chapters worldwide. IASP supports 20 Special Interest Groups (SIGs) which members may join to network and collaborate with others in their specific field of research or practice. Global Year Against Pain In 2004, supported ...
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Wrist Pain
file:Wrist pain.jpg, 300px, An illustration of wrist pain Wrist pain or open wrist is a syndrome inhibiting use of a hand due to pain in anatomical structures of the wrist. It most commonly results from an injury to a ligament. The pain may be sharp from a traumatic injury or from chronic repetitive wrist activities. Pain may be caused after exerting the wrist, as may occur during weight lifting, in any weight-bearing or athletic activity, manual labor, or from injury to Wrist#Structure, nerves, muscles, ligaments, tendons or bones of the wrist. Wrist pain may result from Nerve compression syndrome, nerve compression, tendonitis, osteoarthritis or carpal tunnel syndrome. Structure and etiology Wrist anatomy includes 20 individual ligaments attaching the eight carpal bones between the radius (bone), radius and ulna bones of the forearm and the metacarpal bones of the hand. Location and dynamic function of the wrist ligaments determine susceptibility to injury. Wrist structures prone ...
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