Objective: To explore the change of craving and quality of life and the correlation between the drug abusers accepting different dosages of methadone. Methods: The Questionnaire of Craving for Heroin, and QOL-BRIEF were used to measure the level of craving and quality of life when patients just entering the study and 6 months after treatment re spectively. Results: ①The degree of craving decreased after 6 month treatment, especialy for the patients of high-dosage group. ②The QOLs of patietns had been improved after methadone treatment, but there was no difference between the different doseage group patients. ③There were negative correlations between craving and quality of life. The correlation co efficients were 0.451 and 0.450 and kept on steadily before and after treatment. Conclusion: High-dosage methadone can decrease craving. There is negative correlation between craving and quality of life.
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