There are several different types of drug and alcohol abuse rehab services in Lancaster, California which alcohol and/or drug addicted clients can get help from. As an example, there are alcohol and drug abuse treatment facilities in the Lancaster area which work specifically with somebody with a brief history of substance abuse and may possibly be able to receive effective help at a short term drug and alcohol rehab program which will require the person to remain in rehab for 30 days or less. Then there are far more intensive and long term substance abuse rehab centers in Lancaster, California which require a stay of 3 months or longer, depending on the individual's history of alcohol and drug abuse and other factors which may include co-occurring mental health problems. Substance abuse rehab services can be done on an outpatient basis or an inpatient basis, with inpatient substance abuse treatment programs offering substantially better success rates as a result of a higher quality of rehabilitation program.