Yes, it will take time to heal, because that raw wound area continuously touch with your motion while passing stools, needs good local hygiene, do sitz bath three times daily and after every stool,show to your surgeon regularly every week. Needs good follow up with surgeon after surgery
Next Steps
If any dout please contact your surgeon for assurance.
Health Tips
Fistula surgeries will take time to heal atleast 4 to 6 weeks, some complex fistula needs second look surgery after proper assessment with MR fistulogram. Do sitz bath regularly, continue oral antibiotic for 1 to 2 weeks. Regular follow up with surgeon, first and foremost trust your surgeon.