Pain is the medical term for pain. Pain ishuman beingIt is an unpleasant experience that the patient wants to eliminate or alleviate. On the other hand, pain can also serve as an alarm signal to protect against injury.
Pain is classified into nociceptive pain, neuropathic pain, and psychogenic pain, depending on the cause of occurrence. Nociceptive pain, which indicates physical pain, occurs when physical or chemical stimuli are detected by sensory receptors and converted into electrical signals, which are transmitted to the cerebrum via peripheral nerves (A-delta and C fibers) and recognized as pain by the cerebrum. The mechanism of neuropathic and psychogenic pain is not clear. There are two ways of classifying pain, acute pain and chronic pain, depending on how it occurs and how long it lasts.
Pain is a subjective and emotional experience of the person experiencing it, and the way it is felt is individualized and influenced by a variety of physical, psychological, and cultural factors. In general,anxietyLoneliness, fatigue, insomnia, and other factors lower the pain threshold (ease of feeling pain), which in turn reduces the ability of those around them to feel pain.empathyThe understanding of the meaning and consequences of pain, rest, and diversion of attention are factors that increase the threshold.
Nursing professionals effectively administer pharmacotherapy as directed by the physician and work with pain potentiators and relievers to raise the pain threshold. And,palliative carePain control is of paramount importance in

References
(1) N. Yanagida (B): Clinical pain studies useful for nursing, Japan Nursing Association Press, 1996.
(2) Kiyoko Fukai (ed.): Nurse Hatto Aruku ni Tsuite, Herusu Shuppan, 2004.
(3) Kiyoko Fukai (supervisor): Utilization by feedback to practice - Evidence of care technology, HERUSU SHUPPAN, 2006.