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 swings and sudden behaviour changes often occur along with other conditions. With children, these are likely to be problems of attention, impulsive behaviour and high activity level. Children with developmental disorders may also frequently display sudden mood changes, which are related to their disability.ood swings can first occur as early as 5 or 6 years of age, but they are rare in this age group. However, by adolescence, the likelihood of the more severe form of mood swings is much greater and similar to that of adults; as many as 1.6% of all adolescents may have severe mood swings.