relapse model among iranian drug users: a qualitative study

background: relapse is a common problem in drug user’s rehabilitation program and reported in all over the country. an in-depth study on patients’ experiences can be used for exploring the relapse process among drug users. therefore, this study suggests a model for relapse process among iranian drug users. methods: in this qualitative study with grounded theory approach, 22 participants with rich information about the phenomenon under the study were selected using purposive, snowball and theoretical sampling methods. after obtaining the informed consent, data were collected based on face-to-face, in-depth, semi-structured interviews. all interviews were analyzed in three stages of axial, selective and open coding methods. results: nine main categories emerged, including avoiding of drugs, concerns about being accepted, family atmosphere, social conditions, mental challenge, self-management, self-deception, use and remorse and a main category, feeling of loss as the core variable. mental challenge has two subcategories, evoking pleasure and craving. relapse model is a dynamic and systematic process including from cycles of drug avoidance to remorse with a core variable as feeling of loss. conclusion: relapse process is a dynamic and systematic process that needs an effective control. determining a relapse model as a clear process could be helpful in clinical sessions. results of this research have depicted relapse process among iranian drugs user by conceptual model.