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.
These temporary moods swings, like the those brought on by menopause, are caused by physical and hormonal changes in the body. During menopause, the body decreases its production of estrogen, which directly affects serotonin levels. Serotonin regulates mood, and an imbalance in it can cause mood swings.