There are many various types of substance abuse treatment services in Glendale, CA. which alcohol and/or drug addicted clients can get help from. As an example, there are alcohol and drug abuse treatment facilities in the Glendale, California area which work specifically with a client who has a brief background of substance abuse and may be able to receive effective help at a short term drug rehab center which will require the client to stay in treatment for 30 days or less. Then there are much more extensive and long term alcohol and drug abuse treatment programs in Glendale, CA. which involve a stay of 90 days or longer, depending on the client's background of alcohol and drug abuse and other factors such as co-occurring mental health disorders. Substance abuse rehab programs can be done as an outpatient or inpatient, with inpatient drug and alcohol abuse treatment services offering significantly superior outcomes because of a greater quality of rehab center.