There are many unique types of alcohol and drug abuse treatment facilities in Portland which drug and alcohol addicted clients can get help from. As an example, there are drug and alcohol abuse rehab facilities in the Portland area which work specifically with an individual who has a short history of drug and alcohol abuse and may possibly benefit from a short term alcohol and drug treatment facility which will only demand that the person to stay in rehab for 4 weeks or less. There are also far more extensive and long term substance abuse rehabilitation programs in Portland which demand a stay of 90 days or longer, based off of the client's background of drug abuse and other factors such as co-occurring mental health disorders. Drug and alcohol abuse treatment services can be completed on an outpatient basis or an inpatient basis, with inpatient alcohol and drug abuse rehab programs providing substantially better success rates because of a greater quality of treatment program.