Nucynta although synthetic and has a half life of 4 hours will show up as a class 2 narcotic in a urine test. However don't count the half life in terms of it not being detected.Multiply the half life times 4 and then it will be 99.9% gone from your body.So at 50mg that would be roughly 7.4 days. 4 people found this useful.
Other Causes: Abrupt mood swings. Some of the less common causes of Abrupt mood swings may include: 1  Puberty. 2  Menopause. 3  Personality disorder. 4  Schizophrenia.
Your mood may suddenly shift from elation and euphoria to extreme sadness or terror, and then on to another emotion. In some cases, mood changes are reactions to your environment or circumstances, although the intensity of the mood might seem out of proportion with the significance of the event.