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Pain can vary in intensity, from very mild to very severe; duration, short-lived to chronic; and location, one localized area or all over the body. [4] There are three different types of pain based on the duration of the sensations: acute, episodic, and chronic. The most common are acute and chronic.
Chronic pain affects approximately 20% of people worldwide and accounts for 15–20% of visits to a physician. [3] Pain can be categorized according to its location, cause, or the anatomical system which it affects. Pain can also defy these classifications, making it difficult to classify chronic pain.
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. [3] Pain is the most common reason for physician consultation in most developed countries.
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 ...
Chronic pain post-traumatic or surgery: Pain that occurs 3 months after an injury or surgery, without taking into account infectious conditions and the severity of tissue damage; also, the person's past pain is not important in this classification. Chronic neuropathic pain: pain caused by damage to the somatosensory nervous system.
This pathway describes the first-order neuron. Aδ fibers serve to receive and transmit information primarily relating to acute pain (sharp, immediate, and relatively short-lasting). This type of pain can result from several classifications of stimulants: temperature-induced, mechanical, and chemical.
I will be 40 in just a few short months, and I’ve lived in pain, sometimes completely debilitating pain, for the last quarter of a century. I have a spine disease that is an advanced version of ...
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.