Background and aim: Psychological consequences of addiction, such as major depression regardless of physical problems, economic, cultural and social is cause problems for both families and society. The aim of this study was to evaluate the effectiveness of group cognitive hypnotherapy on major depression in residential and semi-residential addiction recovery centers in the city of Yasuj.

Methods: The present quasi-experimental study was conducted using a pre-test, post-test and control group. The population included all patients drug dependent as residential and semi-residential referred to Yasuj addiction recovery centers. 40 patients were selected by convenience sampling and randomly assigned to experimental and control groups. The instrument used in this study included Beck Depression Inventory which depressed patients diagnosed and according to clinical interview they entered the study. Group cognitive Hypnotherapy intervention model was carried out on the experimental group for 8 sessions for one hour once a week, but there was no intervention on control group. After the intervention both experimental and control groups were assessed. Collected   data was analyzed using covariance analysis.

Results: The results revealed that the cognitive hypnotherapy treatment of group, leading to depression reduced significantly in the experimental group compared control group significantly (p <0.001). The mean pre-test score of major depression in the experimental group and in control group was 39/5 ± 10/54 and 61/4 ± 20/52 respectively.  Whereas the mean and standard deviation of major depression and post-test scores in the experimental group 55/2 ± 05/25 and in the control group was 50/3 ± 55/51.

Conclusion: Cognitive hypnotherapy can be used as adjunctive therapy in reducing major depression or used in addiction recovery centers.

Background & Aim: Addiction to Substances has led to a decrease in productivity and inefficiency in psychological issues, including psychological well-being among drug users. The purpose of this study was to investigate the effectiveness of group cognitive hypnotherapy on psychological well-being in people referring to residential and semi-residential centers of addiction in Yasuj.

Methods: This is a quasi-experimental study with pre-test, post-test and control group. The statistical population consisted of all drug dependent patients referring to residential and semi-residential of addiction centers in Yasuj city. 40 patients were selected by convenience sampling method and randomly assigned to experimental and control groups. The instrument used in this research was Rif's psychological well-being questionnaire. Group intervention of cognitive hypnotherapy was performed on the experimental group during 8 sessions of 90 minutes and once a week, but no intervention was taken on the control group. At the end of the intervention, both groups (experimental and control) were subjected to post-test. To analyze the collected data, covariance analysis was used.

Results: The mean and standard deviation of the pre test of psychological well-being in the experimental group was 37.87 ± 3.42 and 39.25 ± 2.86 in the control group. Also, the mean and standard deviation of post-test psychological well-being score in the experimental group was 66.45 ± 15.61 and 39.15 ± 2.73 in the control group. The results showed that group cognitive hypnotherapy increased the psychological well-being of the experimental group in comparison with the control group at a significant level (p = 0.001).

Conclusion: Group cognitive hypnotherapy has been effective in improving psychological symptoms in patients with substance dependence in people who are referred to residential and semi-residential centers of addiction treatment. It has led to increased psychological well-being in drug-dependent patients.