There are many different types of alcohol and drug abuse rehab programs in Irwin, Pennsylvania which alcohol and drug addicted clients can avail themselves of. As an example, there are drug and alcohol abuse treatment services which cater to someone who has a very brief background of drug and alcohol abuse and would potentially benefit from a short term drug and alcohol treatment center which will call for the individual to reside in rehabilitation for a month or less. Then there are more intensive and long term drug and alcohol abuse rehabilitation services which insist the individual commit to a stay of 90 days or even longer in some cases, depending on the individual's particular case of alcohol and drug abuse and other factors including co-occurring psychological disorders. Substance abuse rehabilitation programs in Irwin, Pennsylvania can be performed as an outpatient or as an inpatient, with inpatient substance abuse rehabilitation programs providing substantially better success rates because of a higher quality of rehabilitation program.