ABSTRACT

It may also be classifi ed according to its nature: ➤ Nociceptive: noxious stimulation of nociceptors. This may further be subdivided into:

● superfi cial somatic pain (skin) – well-localised, sharp pain ● deep somatic pain (ligaments, tendons, muscles) – dull, aching, poorly localised

pain ● visceral pain (organs, viscera) – cramping pain, varying localisation, associated

with referred pain and autonomic stimulation. ➤ Neuropathic: due to dysfunction of the nervous system.