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.
Extremely low testosterone levels are a likely cause of mood swings in aging men. However, if your mood swings are severe, or if you are under the age of 30, other health conditions may be to blame. Bipolar disorder and depression are two mental health disorders that can cause extreme mood swings. Symptoms. According to the Mayo Clinic, insomnia, depression, a loss of memory and decreased motivation are all symptoms of andropause that can cause mood swings in men.