It is crucial for clinical assessment as it serves as a guide to determine the treatment for specific pain location. Pain mechanisms are classified into nociceptive, neuropathic and inflammatory. Nociceptive represents the injury of tissues such as skin, muscles. Neuropathic is caused by a primary lesion in the somatosensory nervous system. Inflammatory is a result of activation and sensitization of the nociceptive pain pathway by mediators released at a site of tissue inflammation. However pain can have many causes and there are possible treatments for it.
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