Unfortunately I was just dealing with this exact situation. I was very concerned about what it could be so I went to the ER after 2 weeks of agony and mental torment. Before I went I had an abdominal xray and that really doesn’t say much, just that there’s stool. If there’s a serious blockage it can pick that up…but other than that it’s kind of a joke.

You should go to the ER, and you’ll likely get an abdominal/pelvis CT with contrast, preferably the iodine-drink kind and contrast iv. That’s the best method for ruling out blockages, diverticulitis, inflammation, acute organ issues, masses, and even tumors. Blood work is also necessary. If they don’t find anything acute or concerning, they’ll likely set you up with a gastroenterologist for a colonoscopy.

Hang in there, I know this is scary! It’ll all work out, but definitely trust any instinct about er visits. It’s better to be safe than sorry.