What are the specific symptoms of addiction and drug addiction?

Abnormal mental and behavioral changes: such as sleeping during the day and being excited at night; Lack of energy at work, decreased academic performance and absenteeism; Often avoid people's sight and steal things in the dark; Often lie, steal and cheat.

After detoxification, the following withdrawal symptoms may occur: listlessness, crying, goose bumps, yawning, dizziness, loss of appetite, nausea, vomiting, abdominal pain, limb pain, numbness and convulsions, joint and bone pain, low back pain, sweating, blurred vision and decreased sexual function.

Drug test: rapid urine morphine test should be carried out for suspicious personnel. If it is positive, further diagnosis is needed.