30 Days is thought about "short-term rehabilitation," and anything longer is considered "long-term rehabilitation." The only distinction in between rehab lengths is that treatment is more intensive in short-term rehab considering that more treatment is being condensed into a much shorter amount of time. Unlike inpatient rehabilitation, when you select an outpatient program, each step of the rehab procedure is typically completed at a different center.Once that's finished, the actual treatment can start 90 days is normally a minimum, but many people continue seeing a therapist or going to group therapy for multiple years. The longer you invest in rehab, the more costly it will be. Nevertheless, those who have serious dependencies may not get all the help that they need in short-term rehab.