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Pain disorder. Pain disorder is chronic pain experienced by a patient in one or more areas, and is thought to be caused by psychological stress. The pain is often so severe that it disables the patient from proper functioning. Duration may be as short as a few days or as long as many years. The disorder may begin at any age, and occurs more ...
Complex regional pain syndrome is a multifactorial disorder with clinical features of neurogenic inflammation (inflammation mediated by nerve cells), nociceptive sensitisation (which causes extreme sensitivity or allodynia), vasomotor dysfunction (blood flow problems which cause swelling and discolouration) and maladaptive neuroplasticity ...
Chronic pain. Pain lasts longer than the expected period of recovery. Chronic pain or chronic pain syndrome is a type of pain that is also known by other titles such as gradual burning pain, electrical pain, throbbing pain, and nauseating pain. This type of pain is sometimes confused with acute pain [a] and can last from three months to several ...
Trigeminal neuralgia. This disorder is characterized by episodes of severe facial pain along the trigeminal nerve divisions. The trigeminal nerve is a paired cranial nervethat has three major branches: the ophthalmic nerve(V1), the maxillary nerve(V2), and the mandibular nerve(V3). One, two, or all three branches of the nerve may be affected.
Fibromyalgia can be viewed as a condition of nociplastic pain. [86] Nociplastic pain is caused by an altered function of pain-related sensory pathways in the periphery and the central nervous system, resulting in hypersensitivity. [87] Nociplastic pain is commonly referred to as "Nociplastic pain syndrome" because it is coupled with other ...
Signs and symptoms of neuropathic pain include allodynia (pain caused by non-painful stimuli), hyperalgesia (an increase in pain perception due to painful stimuli), and paresthesia (abnormal sensations such as needle bites, tingling, itching, decreased or loss of sensitivity). [ 16 ] Chronic visceral cancer pain.
Polymyalgia rheumatica (PMR) is a syndrome experienced as pain or stiffness, usually in the neck, shoulders, upper arms, and hips, but which may occur all over the body. The pain can be sudden or can occur gradually over a period. Most people with PMR wake up in the morning with pain in their muscles; however, cases have occurred in which the ...
Central pain syndrome, also known as central neuropathic pain, [1] is a neurological condition consisting of constant moderate to severe pain due to damage to the central nervous system (CNS) which causes a sensitization of the pain system. [2][3] The extent of pain and the areas affected are related to the cause of the injury. [4]