Hello @monicaeve and welcome to Mayo Clinic Connect!

I'm sorry to hear of the problems you continue to experience post-sigmoid surgery. This must be disheartening to be having symptoms when you were expecting to be somewhat back to normal. Actually, four weeks out of surgery is not such a long time and perhaps your expectations are not realistic given the extent of your surgery
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Have you talked with your surgeon or GI doctor to determine what the time frame is for recovery? (Being aware, of course, that everyone heals at a different rate.) If not, you might give their office a call or send a message through the patient portal. I would especially mention the blood in the stools which could indicate something more than just the normal recovery.

Will you contact the surgeon and mention these symptoms, especially the bloody stool?