<unk>  is a distressing feeling often caused by intense or damaging stimuli. The International Association for the Study of<unk>  defines<unk>  as "an unpleasant sensory and emotional experience associated with, or resembling that associated with, actual or<unk> otential tissue damage." In medical diagnosis,<unk>  is regarded as a symptom of an underlying condition.<unk>  motivates the individual to withdraw from damaging situations, to<unk> rotect a damaged body<unk> art while it heals, and to avoid similar experiences in the future. Most<unk>  resolves once the noxious stimulus is removed and the body has healed, but it may<unk> ersist despite removal of the stimulus and apparent healing of the body. Sometimes<unk>  arises in the absence of any detectable stimulus, damage or disease.<unk>  is the most common reason for<unk> hysician consultation in most developed countries. It is a major symptom in many medical conditions, and can interfere with a<unk> erson's quality of life and general functioning. Simple<unk>  medications are useful in 20% to 70% of cases.<unk> sychological factors such as social support, cognitive behavioral therapy, excitement, or distraction can affect<unk> 's intensity or unpleasantness. In some debates regarding<unk> hysician-assisted suicide or euthanasia,<unk>  has been used as an argument to<unk> ermit<unk> eople who are terminally ill to end their lives.
Pain
Malaise
Tenderness 
Itch
Visceral pain
Wellness 
Hyperalgesia
Nociception