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AIM: To investigate the effect of 5-aminosalicylic acid (5-ASA) suppositories on rectal band ligation-induced pain.METHODS: Sixty patients were randomized into two treatment groups.RESULTS: Our results showed that there was no difference between 5-ASA suppository group and the control group for pain control.CONCLUSION: 5-ASA may be an alternative treatment for hemorrhoids; however, it does not affect the rectal band ligation-induced pain.