Post SRT Bowel Problems

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Regular Member

Date Joined Oct 2009
Total Posts : 252
   Posted 12/26/2010 2:08 PM (GMT -6)   
I'm just approaching six months out from SRT.  Bowel movements went from once in the morning to at least two a day.  I am still have to get up every two hours or so at night to urinate. The problem that seems to have developed over the past two weeks is the "wet fart".  Fortunately this has only occured at home, but it seems to be inevitable that it will occur elseware.  Has anybody else had the problem post SRT and did it eventually clear up?  I would hate to spend the rest of my life worrying about passing gas.  Squid.

Veteran Member

Date Joined Nov 2008
Total Posts : 697
   Posted 12/26/2010 4:11 PM (GMT -6)   
Got the same thing to some degree. It's gotten a little better, but I still have to be mindful. I'm betting it will eventually go away.

Opa N
Regular Member

Date Joined Sep 2009
Total Posts : 150
   Posted 12/26/2010 5:39 PM (GMT -6)   
Sorry Subic,
My rad onco told me that there was a good chance that I would experience "mucous" following the radiation. Suggest you start wearing panty liners. They keep me from washing out my shorts every night. Ah, the unique experiences this disease allows us to share. happy New Year!
68; Biopsy 4/20/09; G 4+3 in 2/2 cores, G 3+3 in 5/10 cores. CT & Bone Scan negative. Stage T2C. psa 4.02. DaVinci RP 8/27/09; Gleason 3+3 w/tertiary 4. Pos. margins L & R posterior, seminal vesicle invasion. Stage PT3b. 4 wk psa <0.01.
10/21/09 begin 8 months of HT w/Lupron. 1/14/10 begin IMRT 32 treatments. All psa tests return <0.01. Continent 5/1/10.

Elite Member

Date Joined Oct 2008
Total Posts : 25393
   Posted 12/26/2010 5:46 PM (GMT -6)   
Hey Subic,

I am almost 14 months out of radiation, and what you discribed has started happening to me only in the last month, not before, so it is kind of gross and disturbing at the same time. I understand some of the bowel issues don't always start up during radiation or right after it ends, but sometimes can take a year or more to start. Hope you see some improvement.

Age: 58, 56 dx, PSA: 7/07 5.8, 10/08 16.3
3rd Biopsy: 9/08 7 of 7 Positive, 40-90%, Gleason 4+3
open RP: 11/08, on catheters for 101 days
Path Rpt: Gleason 3+4, pT2c, 42g, 20% cancer, 1 pos marg
Incont & ED: None
Post Surgery PSA: 2/09 .05,5/09 .1, 6/09 .11. 8/09 .16
Post SRT PSA: 1/10 .12, 4/8 .04, 8/6 .06 11/10 Not taking it
Latest: 6 Corr Surgeries to Bladder Neck, SP Catheter since 10/1/9, SRT 39 Sess/72 gy ended 11/09, 21 Catheters, Ileal Conduit Surgery 9/23/10

Regular Member

Date Joined Sep 2010
Total Posts : 69
   Posted 12/26/2010 6:23 PM (GMT -6)   
i too am nearing six months post rt and have experienced to some degree the same thing but not to the point of needing a pad or anything. i'm told this will improve though. just another of the minor inconveniences we have to take for while. good luck!

Veteran Member

Date Joined Jun 2007
Total Posts : 789
   Posted 12/26/2010 6:57 PM (GMT -6)   
Hi, had the same problem for a while, bowels have never been the same since I finished SRT

Regards Mal.
age 67 PSA 5.8 DRE slightly firm Rt
Biopsy 2nd July 07 5 out of 12 positive
Gleason 3+4=7 right side tumour adenocarcinoma stage T2a
RP on 30th July,

Post op Pathology, tumour stage T3a 4+3=7, microcsopic evidence of capsular penetration, seminal vessels, bladder neck,are free of tumour, lymph nodes clear, no evidence of metastatic malignancy, tumour does not extend to the apical margins.

Post op PSA 0.5 26th Sept. Totally dry since catheter removed
PSA 23rd Oct.0.5 seeing Radiation Onocologist 31st Oct.
Started radiation treatment on 5th Dec, to continue until 24 Jan. 08.
Finished treatment, next PSA on 30th April.
PSA from 30th April 08, until now range- 0.5 to 0.6, I am now 70

Forum Moderator

Date Joined Jan 2010
Total Posts : 7080
   Posted 12/26/2010 9:52 PM (GMT -6)   
This was one of the side-effects that the Rad. Oncologist said were stress-related, not radiation, no way, no chance. My GP says they are radiation pure and simple - seen often as he has patients return to him after being closed out by the RO.
I went from 2 bm per day to at least 4, sometimes more. Not loose bowels, just frequent need. Alf posted a good site in the UK a couple of months ago that described my situation to a T. I had a serious previous battle with colon "issues", so live on stool softeners, which likely make it worse.
Rule 1 - don't fart after RT unless already seated on the porcelain throne.
Rule 2 - see rule 1 after checking seating.
For me, rule 1 kicked in about 6-7 weeks into IGRT.

English Alf
Veteran Member

Date Joined Oct 2009
Total Posts : 2217
   Posted 12/27/2010 3:49 AM (GMT -6)   
I think this is the link to the website I found about BM problems that 142 referred to:

Wet farts are definitely RT related: the radiation damages the lining of the bowel. Thus as RT works quite slowly it may take time till the (full) effect of RT is clear. However the bowel may also recover over time.
My problem is the unpredicatability of the bowel/fart/wetness situation: one day may be a normal one with just the one BM and no fart problems the next day may be 5 BMs and then not just getting up in the night to pee but to fart too. Also very loud and embarrassing if you have to use a public bathroom at work or in a department store etc.

Clearly reducing the intake of foods and drinks that make you gassy has to help (I drank Champagne at Christmas and sure noticed it the next day!) Also smoking, chewing gum and talking while eating,plus eating too quickly, can make you gassy.

I do however feel that my situation is slightly better than it was, so I hope others with this awkward issue see improvements too.


Never trust a Fart
Born Jun ‘60
Apr 09 PSA 8.6
DRE neg
Biop 2 of 12 pos
Gleason 3+3
29 Jul 09 DaVinci AVL-NKI Amsterdam
6 Aug 09 Cath out
PostOp Gleason 3+4 Bladder neck & Left SVI -T3b
No perin’l No vasc invasion Clear margins
Dry at night
21 Sep 09 No pads daytime
17 Nov 09 PSA 0.1
17 Mar 10 PSA 0.4 sent to RT
13 Apr 10 CT
28 Apr 10 start RT 66Gy
11 Jun 10 end RT
BMs weird
14 Sep 10 PSA <0.1
Erections OK

Veteran Member

Date Joined Nov 2008
Total Posts : 697
   Posted 12/27/2010 10:39 AM (GMT -6)   
Post SRT, I am always reminded of advice Jack Nicholson's character gives to that of Morgan Freeman in the Bucket List:

"Never pass up a bathroom, never waste a hard-on, and never trust a fart."

Regular Member

Date Joined Jun 2010
Total Posts : 20
   Posted 12/27/2010 11:11 AM (GMT -6)   
I finished RT about 6 mth ago and have had loose stool and urgency ever since. Had a colonoscopy last week and sure enough, inflamed rectum caused by radiation.

Regular Member

Date Joined Oct 2009
Total Posts : 252
   Posted 12/27/2010 11:18 AM (GMT -6)   
As usual, I am not alone with symptoms.  Hope this will eventually pass for everyone post SRT.  I definately am taking very seriously the warning "never trust a fart".  Ain't this disease fun!!!  Happy New Year to all.  Squid.

Veteran Member

Date Joined Nov 2008
Total Posts : 697
   Posted 12/27/2010 11:26 AM (GMT -6)   
And lay off the San Miguel on NYE!


Regular Member

Date Joined Oct 2009
Total Posts : 252
   Posted 12/27/2010 2:37 PM (GMT -6)   
No San Miguel here.  The export stuff sucks.  I really miss the good old painted label brown bottles.  Here in Hawaii the beer of choice seems to be Heinekin.  I was given some Sapporo beer as a gift so I might have a"few sips" and suffer the consequences.  Squid.
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