There are several unique types of substance abuse rehab facilities in Petersburg which drug and alcohol addicted people can get help from. For example, there are drug and alcohol abuse treatment facilities in the Petersburg area which cater to a client who has a brief background of drug and alcohol abuse and may possibly be able to receive effective help at a short term drug and alcohol rehab facility which will require the client to remain in rehabilitation for 30 days or less. Then there are much more comprehensive and long term substance abuse rehab programs in Petersburg which involve a stay of 3 months or longer, depending on the client's history of drug and alcohol abuse and other factors which may include co-occurring mental health problems. Substance abuse rehabilitation programs can be completed on an outpatient basis or an inpatient basis, with inpatient substance abuse rehabilitation programs supplying significantly better success rates as a result of a higher quality of treatment setting.