People may poop a few times per week or several times per day. A sudden change in bowel movement frequency can occur due to stress, a change in diet or exercise, or an underlying illness. If bowel movements return to normal within a few days, this should not be a cause for concern.
Many people experience constipation after surgery due to the following factors: Medications. Pain medications, diuretics, muscle relaxants, and anesthesia can cause constipation in some people. Opioids, in particular, can reduce bowel movements.