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Allodynia is a condition in which pain is caused by a stimulus that does not normally elicit pain. [1] For example, sunburn can cause temporary allodynia, so that usually painless stimuli, such as wearing clothing or running cold or warm water over it, can be very painful. It is different from hyperalgesia, an exaggerated response from a ...
Amplified musculoskeletal pain is a syndrome which is a set of characteristic symptoms and signs. Essentially, the syndrome is characterized by diffuse, ongoing, daily pain associated with relatively high levels of incapability and greater care-seeking behavior. The discomfort can be in the skin (allodynia), abdomen, throat (dysphagia ...
Neuropathic pain is pain caused by a lesion or disease of the somatosensory nervous system. [ 2 ][ 3 ] 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.
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 ...
Nociplastic pain. Nociplastic pain, also known as central sensitisation, is a third category of pain that is mechanistically distinct from nociceptive pain, which is due to inflammation and tissue damage, and neuropathic pain, which is due to nerve damage. [5] It may occur in combination with the other types of pain or in isolation.
Pain is the most common symptom of cancer at the time of diagnosis. [14] Cancer-related pain can be caused by metastases, the tumour itself, inflamed or eroding bone viscera or nerves, or pain related to cancer treatments. [14] The term “cancer-related pain” only indicates that pain is related to cancer and doesn't imply the exact cause of ...
Dejerine-Roussy is a rare pain syndrome. Individuals with emerging Dejerine–Roussy syndrome usually report they are experiencing unusual pain or sensitivity that can be allodynic in nature or triggered by seemingly unrelated stimuli (sounds, tastes). Symptoms are typically lateralized and may include vision loss or loss of balance (position ...
A nociceptor (from Latin nocere 'to harm or hurt'; lit. 'pain receptor') is a sensory neuron that responds to damaging or potentially damaging stimuli by sending "possible threat" signals [1][2][3] 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 ...