Hello, Post op constipation will be present . Syp duphalac is for loosening of stool. May be you have applied too much pressure for passing stool causing abrasion due to stool impaction. So i suggest you take stool loosening medication and liquid diet. If still blood from stool persist you have to consult a medical gastroenterologist.
Next Steps
Take liquid diet and atool softener
Health Tips
Dont apply pressure for passing stool