There are a number of various types of alcohol and drug abuse treatment services in Darien which addicted clients can get help from. As an example, there are alcohol and drug abuse rehab programs in the Darien area which work specifically with a client who has a brief background of drug and alcohol abuse and may benefit from a short term drug treatment center which will only demand that the individual to stay in treatment for 30 days or less. There are also far more comprehensive and long term substance abuse treatment facilities in Darien which involve a stay of 3 months or more, depending on the client's history of drug and alcohol abuse and other factors including co-occurring mental health issues. Drug and alcohol abuse rehabilitation services can be done on an outpatient basis or an inpatient basis, with inpatient drug and alcohol abuse rehab programs providing significantly superior results due to a higher quality of rehabilitation center.