Can Post-Herpetic Neuralgia be connected to a badly broken wisdom tooth?
Pain is an unpleasant sensation that occurs as a result of injury to the body or as a manifestation of a diseased state. Pain can be classified in many ways. For example, pain can be classified based on its duration (acute or chronic pain) and by the underlying cause (nociceptive or neuropathic).  Nociceptive pain results directly from local tissue injury whereas neuropathic pain follows nerve injury. Key features of nociceptive pain are that it can be experienced as sharp, dull, or aching, and that there may be radiation of the pain, or the perception of pain in a different area than where the nerves are being stimulated. For example, when a person experiences a heart attack, pain may radiate from the chest down the arms or up the neck, even though there is no tissue damage in these areas. Examples of nociceptive pain include pain from surgical incisions, bone pain from fractures or metastatic cancer, and pain from joint diseases such as osteoarthritis and rheumatoid arthritis.