There are many various types of alcohol and drug abuse treatment facilities in St. Marys, Pennsylvania which drug and alcohol addicted clients can take advantage of. As an example, there are substance abuse rehab services in the St. Marys, Pennsylvania area which may particularly help a client who has a brief background of alcohol and drug abuse and may possibly benefit from a short term drug and alcohol rehabilitation program which will require the individual to stay in rehabilitation for 30 days or less. Then there are far more intensive and long term alcohol and drug abuse rehabilitation facilities in St. Marys, Pennsylvania which call for a stay of 90 days or longer, depending on the client's background of drug abuse and other factors including co-occurring mental health disorders. Drug and alcohol abuse rehab services can be done on an outpatient basis or an inpatient basis, with inpatient substance abuse rehab programs supplying significantly better outcomes due to a greater quality of rehabilitation facility.