Could also be a UC ulceration. Yes, I'd start on whatever rectal meds you have available.
And try taking a fiber supplement to bulk up your stools. That and plenty of water may help you not have to strain so hard on the toilet. That can cause hemmies and all kinds of other problems.
Ulcerative colitis forum co-moderator
Moderate to severe left-sided UC diagnosed 2001.
Flared for 5 years, finally in remission with Remicade since March 2006.
Avascular necrosis in both shoulders is my "forever" gift from steroids.
Colazal, Remicade, Nature's Way Primadophilus Reuteri.
"My life is an ongoing medical adventure"