Pain is a sensation of extreme discomfort and abnormal hypersensitivity. It appears as a signal and a warning that something in our bodies is damaged.
This could be caused by inflammation or trauma. Pain is the most common symptom. When pain indicates on an injury or inflammation in the body and lasts until the injury is healed, it is helpful and purposeful.
However, when the pain lasts even after the injury is healed and becomes chronic, lasts for weeks, months, years, it becomes troublesome and needs treatment. Sometimes we can’t find t h th d i ith hi h out where the damage is or with which mechanism the pain is induced, especially when there is no damage to any organ. There are different kinds of pain: somatic, visceral, and neuropathic.
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