30 Days is considered "short-term rehab," and anything longer is considered "long-lasting rehabilitation." The only difference between rehab lengths is that treatment is more extensive in short-term rehab because more treatment is being condensed into a shorter amount of time. Unlike inpatient rehabilitation, when you select an outpatient program, each action of the rehabilitation process is normally finished at a separate center.When that's finished, the actual treatment can begin 90 days is usually a minimum, however lots of people continue seeing a therapist or participating in group therapy for numerous years. The longer you spend in rehab, the more expensive it will be. However, those who have extreme addictions might not receive all the aid that they require in short-term rehab.