Individuals recovering from various forms of addiction frequently encounter relapses that have gained acceptance as an almost inevitable part of the recovery process. The objective of this study is to know the factors affecting on the Relapse Prevention Plan of the after-care patients in the City of San Jose Del Monte Bulacan. This is quantitative research and descriptive in design, it has used frequency distribution as the statistical treatment. (1) The highest factors which affect the Relapse Prevention Plan of the After-Care Patients in the City of San Jose Del Monte Bulacan is Environment (2) The main contributor to the challenges experienced is the lack of participation from the after-care patients is their number 1 concern (3) The most measures recommended are promoting working relationship with the client’s family and Community welfare Service, conducts home visitation to track/monitor activities and (4) The most effective measures being implemented the competency and life skills improvement and development, active participations on the spiritual enrichment, continuous counseling rendered throughout the duration of the program, to After-care patients is working for a living, to exclusive lanes for morally recovered, and for the Negative in the drug test. With the results of the data gathered it could be concluded that There were factors which affects the Relapse Prevention Plan of the AfterCare patients in the City of San Jose Del Monte Bulacan which notably highlights the impact and involvement of the environment.

Keywords : Addiction, After-Care, Drug abuse, Methamphetamine, Patient, Recovery, Rehabilitation, Relapse and Vulnerability