In the past 6 months (on and off, three occurrences to date) I have noticed bright red blood on the TP after having a BM. Each occurrence will last for a day or two and only when I'm having a BM. After the second incident several months ago I had a rectal exam a few days afterward and was told by the doctor that she did not feel any internal hemorrhoids. The last incident occurred two days ago with bright red blood and what looked like a small clot. Throughout the day I felt pressure in my abdomen especially while having a BM and what I can only describe as a "mass" or obstruction that made it feel as though my body did not want to pass the BM. I don't feel any pain with the BM's or bleeding, it doesn't happen during constipation, and there aren't any external signs of anything unnatural outside of the blood.
I have an appointment scheduled with my family doctor, but it won't be for another 3 weeks. Does it sound like internal hemorrhoids are causing the bleeding? How long can internal hemorrhoids last? If internal hemorrhoids are not found, should I push for a colonoscopy or other testing? Being 28 years old, I'm fairly certain that my doctor will tell me that I'm too young to have such testing performed.