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.
Hormones and Neurotransmitters. The main causes of mood swings are your hormones and neurotransmitters. Anxiety may be a mental health condition, and it may be something forged over years of experiences, but it also changes the way your body works. It reduces hormone balance and often changes neurotransmitter (brain chemical) production.