A little basic information about pain:

Nociceptive pain is when the nerve picks up a signal about an injury and transport that signal to the central nervous system. The signal may contain information about a tear in skin or tissue, sores, dryness, infection or inflammation. Common to nociceptive pain is that it often responds well to painkillers. The pain is typically felt as dull, nagging, gnawing, throbbing, and aching.

Neuropathic pain is when the nerves are damaged or don’t act normally. The nerves may be entrapped or dysfunctional. It might be harm from an earlier injury to tissue ie. scar tissue causing pain. The pain is typically experienced as burning, biting, stinging, tightening, cutting, chilling, and haunting.

Acute pain occurs suddenly, e.g. when skin and tissue are damaged or your muscles cramp up.  Generally, acute pain is perceived to be the result of external damage to tissue such as the infliction of a wound or the development of an infection. The pain is a warning to take care or slow down. The pain will typically stop when the body heals or restores itself.  
Chronic pain does not stop and typically lasts for more than 6 months.  This type of pain frequently causes widespread problems for those who experience it and it requires a lot of energy and often deprivation of sleep. Chronic pain will often drive people to change their lifestyle in order to accommodate the limitations the pain has placed upon them.  


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