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A comparative study on relieving post-episiotomy pain with diclofenac and indomethacin suppositories or placebo

Abstract In this study, we compare the prophylactic efficacy of a diclofenac suppository and an indomethacin suppository on decreasing post-episiotomy pain. A total of 90 women with 2nd-degree episiotomy were assigned to receive a single dose of diclofenac suppository (30), indomethacin suppository (30) or placebo (30), according to randomised blocks. The pain was assessed at 1, 2, 4, 6 and 12 hours after receiving analgesia, using the two methods of pain score and visual analogue. This study showed that in the group given diclofenac or indomethacin, at all the assessed hours, the pain measured was considerably less than in the suppository-free group (p < 0.05). Comparing the diclofenac and indomethacin groups, there were only significant differences in the 4 and 12 hour measurements: the diclofenac was more effective than the indomethacin (4th hour), but due to a shorter half-life, the diclofenac group in the 12th hour had more pain (p < 0.05). Diclofenac suppository is recommended at 4-hour intervals for all patients, without internal disorders, to decrease episiotomy pain.