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.
Mood Swing Triggers in Bipolar Disorder. At first, mood swings may take you by surprise if you have bipolar disorder. But over time, you might start to see patterns or signs that you're entering a period of mania or depression. Aside from a shift in your mood, look for changes in your: Sleep patterns.