Living with long-term bowel side effects post anal cancer treatment

Posted by gavid @gavid, Aug 15, 2025

I’m an anal cancer survivor (2014–2017) still struggling with severe bowel side effects years later. I’ve tried HBOT, biofeedback, and diet changes, but incontinence continues to affect my daily life and relationships. I’m looking for support, advice, or simply to connect with others who understand.

I am literally in tears. I have needed this for so long. I dealt with anal squamous cell carcinoma from 2014 to 2017. I did one round of chemotherapy, and I can’t remember how many rounds of radiation. I had the full support of my family and fantastic doctors, so I don’t have any complaints, but my life has never been the same. Until today, I had never found a place where I could ask questions (other than to my physician).

It has been 8 years since my last radiation, and I haven’t had a regular bowel movement since. It is always runny. My relationship has essentially been diminished into a roommate situation, because how can it be anything more when I basically have no control of my bowel movements? I can’t eat while I am out of the house unless I have a plan for how to get to the bathroom, and the bathroom must be available — so that rules out most public places. Going to the home of family and friends is embarrassing.

I have undergone several summers of 40 HBOT treatments, I have done two rounds of biofeedback therapy, and I have increased fiber intake. I have my regular colonoscopies done to make sure all remains clear, although the prep for the one last year felt like I was dying. But last night something that has never happened before, happened — I had a runny bowel movement in my sleep. I tried cleaning everything, but I had already moved myself to the couch to be closer to the bathroom... and now the couch is ruined. Everything else is washable, but it doesn’t matter how much I’ve cleaned it, the smell won’t go away, and I am mortified.

I frankly think my partner should find a life with someone else, someone who can provide them intimacy, who can go places with them, who can lead a normal life. It really is exhausting, and today I finally searched high and low until I found this group. And here I am, venting.

I don’t know what help I need. I don’t know what else to do. I have read about SNS but I am afraid of doing something that may interfere with future HBOT or MRIs.

Interested in more discussions like this? Go to the Colorectal Cancer Support Group.

I finished rad and chemo treatments for anal cancer 3 weeks ago. My skin has healed except for an area near the anus which seems to open daily and cause quite a sting. And weeping. I've followed all dietary recommendations, it is the rectum opening and closing. Any words of wisdom on this subject.

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One suggestion is to get a bidet. There are attachments that hook easily on you toilet. Also sitz baths with dunsboro (sp?). That you can buy on Amazon .

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Profile picture for jofree @jofree

@walkerlsroche
Good morning,
My Connect name is Jofree: I have had a colostomy since 1999 resulting from colon cancer: I was 54 years old then and I am now 80. My experiences were at the Mayo Clinic in Jacksonville, Fl. and from the diagnosis to the operating room was less than 4 days. I was given an option to have a short term Ostomy and my surgeon expressed that there could be complications to resect me so I informed him that I would rather have an ostomy than have issues later on. That was that. Six hours after the procedure I awoke to an ostomy pouch on my left side.
True my wife and I were no longer able to appreciate our intimacies; the radiation and chemotherapy at those times were fairly radical, the whole procedure was radical, but my cancer was gone and has not returned. We had a tremendous challenge in front of us and with the follow-up help from the Mayo Clinic folks we made it through our first year. I have never regretted ending up with a Colostomy. The appliance is not openly visible and with practice and maintaining our regular bike rides, within the 3rd year, we realized how much more life we were facing together and thanked our spiritual God for these challenges.
Please do not take the road that leads to feeling valueless:
Your obviously near the end of your tolerance for your situation and I can honestly share with you that to hold an attitude that you have a worth, a value just around the corner and your persistence to desire more from who you think you are is but one day at the time.
That is how my wife and I faced our situation: there was really no choice that we could make to return to what we thought was our normal ways. What we have discovered is that our relationship has grown exponentially and we discovered a new dynamic with our own attitudes and how we responded to what was left of us.
You can do this: talk with your physicians about an ostomy: two years after my experience I rode my motorcycle from Florida to out west to Sturgis motorcycle rally and back through Canada and home to Florida. No one knew I had a colostomy and quite frankly, one never needs to use a public toilet again. I consider this in and of itself, a plus.
Keep your head up, talk with many different people and began to live your life again. You are in my, our thoughts and write back anytime. Just don't quite now.
Jofree

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@jofree
Thank you for those thoughts
I am struggling with this prolapse colon and how disgusting I feel about myself
Maybe it would be best for me to seek a surgeon at the Mayo clinic just for a second opinion
I have tried for years to avoid a colostomy but your words and experiences give me hope

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Profile picture for mfe50 @mfe50

I am also an anal cancer survivor (13 years ago!). I was treated with chemo and radiation -which resulted in severe burns. I noticed a change in my ability to control my bm’s immediately but rarely had accidents. About 5 years ago, I started having many more accidents and dealt with almost constant diarrhea. I was sent to a GI for an assessment. It turns out I have been diagnosed with Exocrine Pancreatic Insufficiency. I have no idea if it was related to my cancer treatment. However, I started taking Creon, which is actually derived from pigs. The creon has almost entirely solved my problem - though I do have “flares” every few weeks which I can control by increasing my Creon. The medicine is very expensive but the manufacturer has a patient financial assistance which I have qualified for.
I’m on a couple of EPI forums and it appears that not all doctors embrace the dx AND it can be confused with other digestive problems. I have not found anyone on the forums who has a history of anal cancer so it may not have anything to do with the cancer treatment. However, the radiation burns had affected my sphinctur so I assume it at least made the EPI harder to deal with.
You might ask doc if EPI could be at least contributing to your challenges. Good luck at finding help!

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@mfe50
Thank you for your words
Right now my biggest challenge is a prolapse colon and an enormous amount of mucus which makes my butt wet constantly
I haven’t found anything to control the mucus flow
Like you I haven’t my BM mostly under control except for occasional flares
Prednisone has helped me through my flares

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Profile picture for rioa21 @rioa21

@walkerlsroche I have had my colostomy for two years. It’s a double barrel ostomy which means it has two opening in it. One for poop and the other for mucus. I have had very few issues. I use a closed end bag. I take everything off when I shower. I use regular soap. My skin is fine. I check my bag regularly during the day. I use the minimal amount of supplies. I like to keep it simple. I do use extender strips. One on top and one below. I did develop a large hernia. I had it repaired in April. So far it hasn’t returned. I’m keeping my fingers crossed. I haven’t had any issues. It has made my life so much better which has made it easier for me to accept. Please feel free to ask me anything. I’m here to help.

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@rioa21
Thank you for sharing
I can’t imagine having two bags
I think the colostomy bag would be enough to deal with
Did you ever discover anything that helped with the mucus?
It really is the worst-call me wet butt it makes me crazy

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