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.
But when your neurotransmitters are not ideal for your brain, it alters the way messages are sent and can cause you to have severe mood swings. We say out of balance because every person reacts differently to different brain chemicals. Some people with anxiety have low levels of one neurotransmitter but not others.