Implement strict bed rest until symptoms resolve.

Monitor vital signs regularly to detect changes in hemodynamic status.

Encourage high-fiber diet immediately to promote bowel movements.

Assess for signs of shock, such as decreased blood pressure and increased heart rate.

Perform abdominal massage to stimulate bowel activity.

Document any changes in stool color and consistency to monitor for blood.

Administer IV fluids and blood products as ordered for stabilization.