There are a number of different types of drug and alcohol abuse rehabilitation services in Riva which addicted clients can take advantage of. As an example, there are substance abuse rehabilitation facilities in the Riva area which work specifically with someone who has a short background of drug and alcohol abuse and might benefit from a short term alcohol and drug treatment center which will require the client to continue to be in rehab for 4 weeks or less. There are also much more extensive and long term alcohol and drug abuse treatment programs in Riva which call for a stay of 12 weeks or longer, depending on the client's history of drug abuse and other factors including co-occurring mental health disorders. Substance abuse treatment programs can be done on an outpatient basis or an inpatient basis, with inpatient alcohol and drug abuse rehab services offering substantially superior success rates as a result of a higher quality of rehab setting.