Inpatient rehab is the most intensive of treatment for substance abuse, dependence and addiction. It is also referred to as residential rehab or residential treatment. With inpatient rehab, the addict or patient resides at the treatment facility and is monitored 24 hours of the day while undergoing a program to help him or her learn how to overcome addiction. In most cases, detoxification is required before any formal program of treatment can begin. Detoxification is the clearing out of all the harmful toxins from addictive substances such as alcohol or drugs (or both) from the body. Following detox, patients in inpatient rehab usually receive different forms of treatment, depending on their specific needs. Such treatment may include one-on-one counseling, group therapy, other forms of therapy (such as cognitive behavioral therapy or CBT), educational lectures and discussions, participation in a 12-step program, and relapse prevention training. Most inpatient rehab is voluntary. Only rarely is a person forced into inpatient rehab, although it may occur as the result of a court order. Inpatient rehab may last for several weeks or several months, depending on the type of addiction, its duration and severity, as well as other factors including the patient’s overall health, other complicating factors, co-occurring addictions or mental health disorders. Upon completion of inpatient rehab, many patients transition to aftercare or continuing care programs — often as an outpatient. In addition, they generally attend 12-step self-help groups such as Alcoholics Anonymous or Narcotics Anonymous on a regular basis.