Somatic Pain

Pain is usually evoked by the pain receptors known as nociceptors. It can be classified as nociceptive pain which is the most common pain and neuropathic pain. Nociceptive pain usually cause by tissue injury which eventually activates nociceptor. It is subdivided into somatic and visceral pain. Somatic pain occurs when nociceptors are activated on the surface tissues or deep tissues. For instance, somatic pain occurs when there is cut on surface tissue such as skin thus causes tissue disruption or when there is muscle cramps occur consequently causes deep somatic pain. Visceral pain is usually due the infection or distension of gas. Visceral pain normally occurs in the viscera such as abdominal organs or smooth muscles (WHO, 2012). Neuropathic