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Pain conditions are generally considered "acute" if they last less than six months, and "chronic" if they last six or more months. [4] The neurological or physiological basis for chronic pain disorders is currently unknown; they are not explained by, for example, clinically obtainable evidence of disease or of damage to the painful areas.
Complex regional pain syndrome (CRPS Type 1 and Type 2), sometimes referred to by the hyponyms Reflex Sympathetic Dystrophy (RSD) or Reflex Neurovascular Dystrophy (RND), is a rare and severe form of neuroinflammatory and dysautonomic disorder causing chronic pain, neurovascular, and neuropathic symptoms.
Diagnosis of pain conditions relies on the character of the pain with a sharp stabbing character and the presence of particular features such as mechanical allodynia and cold allodynia. Neuropathic pain also tends to affect defined dermatomes and there may be limits to the area of pain. For neuropathic pain, clinicians look for an underlying ...
Post-traumatic stress syndrome; Post-acute-withdrawal syndrome; Post-concussion syndrome; Post-Ebola virus syndrome; Post-intensive care syndrome; Post-maturity syndrome; Post-polio syndrome; Post-thrombotic syndrome; Post-vasectomy pain syndrome; Postcardiotomy syndrome; Postcholecystectomy syndrome; Posterior cerebral artery syndrome ...
Lower left abdominal pain can have many causes, ranging from minor to serious, says Andrew Boxer, M.D., gastroenterologist of Gastroenterology Associates of New Jersey. Common causes include ...
Rheumatism [2] /ˈruməˌtɪzəm/ or rheumatic disorders are conditions causing chronic, often intermittent pain affecting the joints or connective tissue. [3] Rheumatism does not designate any specific disorder, but covers at least 200 different conditions, including arthritis and "non-articular rheumatism", also known as "regional pain syndrome" or "soft tissue rheumatism".
Traditionally, the distinction between acute and chronic pain has relied upon an arbitrary interval of time between onset and resolution; the two most commonly used markers being 3 months and 6 months since the onset of pain, [15] though some theorists and researchers have placed the transition from acute to chronic pain at 12 months.
The International Association for the Study of Pain (IASP) defines chronic pain as a general pain without biological value that sometimes continues even after the healing of the affected area; [8] [9] a type of pain that cannot be classified as acute pain [b] and lasts longer than expected to heal, or typically, pain that has been experienced on most days or daily for the past six months, is ...