Im seeing blood but Test Strips show as negative?

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New Member

Date Joined May 2011
Total Posts : 4
   Posted 5/3/2011 3:39 PM (GMT -6)   
So, im young. 23 year old male and I've been seeing what I thought was blood in my stool. So I got these test strips for detecting blood to make sure I wasnt seeing things. Well, I did the control test and it worked fine showing positive. I had a bowel movement and I saw what looked like blood added the test strip, it showed no color meaning a negative result. As the test was actually geared towards early detection of Colon Cancer its still only for testing for blood in the stool.

The instructions say to use it 3-5 times to be sure yet after the test strip showed a clear result I added some more "Positive Control" powder and it immediately showed positive so the strip wasnt wrong in the first detection.

The "blood" is usually mixed in with the stool and oddly looks like a red square but at other times it looks like rolled up tomatoe skin on the rare occasion that its seperate from the stool.

I've had some stomach problems recently with muscle spasm's and was passing yellow stool and Diarrhea but this has all stopped while what looks like blood remains. I know this is the Prostate cancer forum but Im not quite sure where else to post it this.

Has anyone else had such problems? Or know what I might be experiencing? I recently had a doctors visit and they gave me an Abdominal CT scan, blood work, urology and a Chest X-ray that all came back clear. I am considering looking for a clinic but none of them around here examine Stool or other "rectal" problems. Help!

James C.
Veteran Member

Date Joined Aug 2007
Total Posts : 4463
   Posted 5/3/2011 3:46 PM (GMT -6)   
Hi, there. Since Prostate Cancer is far removed from bowel issues, I think you might get a better response to your question if you asked in other forums, such as Irritable Bowel Syndrome, link here:

I hope someone there can help you with answers, Good luck in your search.
James C., Age 64, Kingsport, E. TN
Gonna Make Myself A Better Man
4/07: PSA 7.6, 7/07 Biopsy: 3 of 16 PCa, 5% involved, left lobe, GS6
9/07: Nerve Sparing open RP, Path: pT2c, 110 gms., clear except:
Probable microscopic involvement-left apical margin -GS6
3 Years: PSA's .04 each test until 04/10-.06, 09/10-.09, 12/10-.09, 02/11-.08
ED-total-Bimix 30cc

New Member

Date Joined May 2011
Total Posts : 4
   Posted 5/3/2011 3:59 PM (GMT -6)   
Ok, I appreciate that and I will try something else. Though the research I've done online makes it clear that blood in the Stool is "NOT" IBS.

Veteran Member

Date Joined Jan 2010
Total Posts : 1011
   Posted 5/3/2011 4:10 PM (GMT -6)   
I get what I think is blood in stool very time I eat fresh beets.

Veteran Member

Date Joined Apr 2008
Total Posts : 847
   Posted 5/3/2011 5:34 PM (GMT -6)   
If you can rely your test kit, and it says "no blood" then there is no blood. As BB_Fan said, the red color you see could well be something you have eaten (or drank, like red wine). This is especially likely if your digestive problems mean that your food is not being properly digested.

I have had colon cancer, and can say that you shouldn't rely on a fecal blood test. I had mine done done by a lab and it didn't show cancer for the simple reason that it didn't bleed, but I sure did have other symptoms!

It is unlikely at your age that you have colon cancer -- it affects people mainly over 50. You are still concerned about the "blood" -- I suggest you firstly avoid red food for a few days and if the problem persists go back to your doctor -- who will arrange a proper fecal blood test if you need it.
No symptoms; PSA 5.7; Gleason 4+5=9; cancer in 4/12 cores
Non-nerve-sparing RRP 7 March 2008 age 63
Organ confined, neg margins. Gleason downgrade 4+4=8
Fully continent
Bimix worked well; now using just VED
PSA undetectable at first but now 0.4, doubling time 7 months
No radiation but ADT coming unless I can slow down the rise...

Steve n Dallas
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Date Joined Mar 2008
Total Posts : 4849
   Posted 5/4/2011 4:46 AM (GMT -6)   
See a doctor and remove all doubt as to what is going on.

New Member

Date Joined May 2011
Total Posts : 4
   Posted 5/4/2011 12:04 PM (GMT -6)   
I did see a doctor, and after 3k dollars worth of tests I left the ER room with a prescription for Miralax which I did not need as I started to have Diarrhea the next day.
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