Does a colon radiation cause rectal bleeding after a year?

Yes it can. Radiation is known to cause some chronic damage to the rectal mucosa.This can lead to rectal bleeding. Let your oncologists/radiation oncologist know about it so that they can offer you help with medication to stop this .

Related Questions

Do colon cancers continue to bleed or do they stop? Haven't had rectal bleeding for over a year but did have bright red rectal blood before. I'm 26.

See your doc. If you had bright red rectal blood (and you're sure it was rectal and not menstrual) then you need to see your doc (especially if you didn't when it first started). Lots of things can cause rectal bleeding, ranging from hemorrhoids to fissures to cancers. Rectal bleeding is never normal and always needs to be checked out. Read more...
Rectal bleeding. At 26, it's unlikely you have cancer, but it's not impossible. There are many possible causes of bleeding, hemorrhoids being the most common at your age. To answer your question - cancer could bleed then stop, but it's not the most common behavior of them. You should see your doctor for a check up and to be reassured. If your doc thinks you need a colonoscopy, get one to be sure you are ok. Read more...
Typically yes. If the bleeding you had one year ago was due to colon cancer, you would have had a number of progressive symptoms by now, so i wouldn't worry (plus colon cancer is very uncommon at age 26). If however bleeding recurs or persist have it evaluated. Read more...
No. Colon cancers may bleed intermittently or not at all. Any rectal bleeding should be evaluated. There are other causes of rectal bleeding not related to cancer. You could have hemorrhoids, inflammatory bowel disease, a small anal fissure, or any number of other problems. You never know but ignoring rectal bleeding could be a serious error. Read more...