There are a number of different types of substance abuse rehabilitation services in Hays, Montana which addicted clients can get help from. For example, there are alcohol and drug abuse rehab programs in the Hays, Montana area which may particularly help somebody with a brief history of drug and alcohol abuse and may possibly be able to receive effective help at a short term drug rehab center which will only demand that the person to remain in rehab for 4 weeks or less. Then there are much more extensive and long term drug and alcohol abuse treatment centers in Hays, Montana which call for a stay of 90 days or more, depending on the individual's history of drug and alcohol abuse and other issues including co-occurring mental health issues. Substance abuse rehab programs can be completed on an outpatient basis or an inpatient basis, with inpatient alcohol and drug abuse rehab services providing substantially better results as a result of a greater quality of rehabilitation program.