Substance Abuse & Drug Addiction
Drug addiction (Substance Use Disorder) is a chronic brain disorder characterized by compulsive drug seeking and use despite harmful consequences. It involves changes in brain circuits related to reward, stress, and self-control. Common substances include opioids (heroin, prescription painkillers), cannabis, cocaine, methamphetamine, sedatives, and inhalants.
Symptoms
Causes
- Brain reward system hijacking (dopamine pathways)
- Genetic vulnerability
- Environmental factors (peer pressure, availability)
- Trauma and adverse childhood experiences
- Mental health disorders (self-medication)
- Chronic pain leading to prescription drug misuse
- Neurobiological changes with repeated use
Diagnosis
Comprehensive assessment including substance use history, physical examination, urine drug screening, blood tests for organ damage, and mental health evaluation. DSM-5 criteria assess severity based on number of symptoms present (mild: 2-3, moderate: 4-5, severe: 6+).
Treatment Options
When to Seek Help
Seek help if substance use is affecting your health, relationships, or daily functioning, if you experience withdrawal symptoms, if you've tried to quit but relapsed, or if someone you care about is struggling with addiction.