There are quite a few various types of substance abuse rehabilitation services in Simi Valley, California which alcohol and drug addicted clients can avail themselves of. For example, there are substance abuse rehab facilities which may are geared towards an individual who has a very brief background of alcohol and drug abuse and may benefit from a short term drug rehab center which will require the individual to reside in treatment for 4 weeks or less. For others there are much more intensive and long term substance abuse rehab centers which require a stay of 90 days or even longer in some cases, depending on the individual's history of drug and alcohol abuse and other variables such as co-occurring mental health disorders. Substance abuse treatment programs in Simi Valley can be performed as an outpatient or as an inpatient, with inpatient alcohol and drug abuse rehab programs providing substantially superior results due to a higher quality of treatment setting.