Posthemorrhoidectomy Pain Management With Electronic Bidet or Sitz Bath

Single Blind, Randomized Controlled, Multicenter Study to Evaluate the Efficacy and Convenience of Electronic Bidet With Very Low Force Flow Fountain System for Pain Control and Wound Healing After Operation for Anal Disease, Compared to Conventional Sitz Bath

The investigator will perform a randomized clinical trials to compare the effect of pain management and wound healing after hemorrhoidectomy between warm sitz bath and electronic bidet.

After hemorrhoidectomy, the patients should take warm sitz bath for relieving pain and inducing wound healing. Electronic bidet is a device for cleansing the anus after defecation, and some patients are using the bidet for sitz bath. Thus, the investigator perform this study for comparing the effect of pain and wound management after hemorrhoidectomy between sitz bath and electronic bidet

Inclusion Criteria:

• the patients who undergo hemorrhoidectomy

Exclusion Criteria:

• previous history of anal surgery
• Crohn's anal disease
• perianal complex abscess or fistula
• uncontrollable medical disease
• Tb
• HIV
• malignancy
• immunocompromised
• pregnancy
• breast feeding
• NSAID allergy