Pre-operation:
A liquid diet 24 hours before surgery
An enema at the night of surgery
It may be necessary to repeat the enema at morning in some cases
Post-operation:
Wound care: site bath 3 times daily using warm water and antiseptic solutions
Diet: patient should follow a high-fiber diet with taking laxatives to avoid constipation and long hard straining on the surgical site.
Spicy and sour foods should be avoided for 2-4 weeks