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.
Bipolar Disorder. Bipolar disorder, or manic-depressive illness, is characterized by severe mood shifts or a mix of depression, anxiety, and high-energy delusional phases known as manic episodes.ipolar disorder causes dramatic mood swings from overly high and, or, irritable to sad and hopeless, and then back again, often with periods of normal mood in between. Severe changes in energy and behavior go along with these changes. The periods of highs and lows are called episodes of mania and depression.