There are several synonyms for the medical condition commonly known as a "pinched nerve." Some of these include compressed nerve, trapped nerve, entrapped nerve, and irritated nerve. A pinched nerve can occur when there is excess pressure or inflammation on a nerve, which can lead to discomfort, pain, and even numbness or tingling in the affected area. Common causes of a pinched nerve include repetitive motions, poor posture, and injury. Treatment options for a pinched nerve include rest, physical therapy, pain management, and in severe cases, surgery. If you suspect you have a pinched nerve, it's important to seek medical attention to prevent further damage and address any underlying conditions.