The pain is most felt on one side of the face (unilateral) and usually in the cheek or lower jaw. There may also be pain inside the mouth and often it can feel as if it is coming from one or more teeth, hence many people seek the help of their dentist initially and some may undergo unnecessary dental treatment before getting a correct diagnosis. In other instances, pain can be felt on the entire side of the face or, occasionally, just around the eye and forehead. TN tends to affect the right side of the face more than the left side. Very rarely, it can occur on both sides (this is known as bilateral) but it is rare to have acute pain on both sides at the same time.
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