Bowel movement and urine flow

Posted , 9 users are following.

Hey all, this is somewhat of an unorthodox question. Am i the only person with bph that has a flow like a waterfall when I have a bowel movement. Flow can be down to a trickle and when I empty my bowel the flow starts. Just wondering if this is normal for BPH or do I have something else going on in that area?.....Billy

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7 Replies

  • Posted

    Stool can directly or indirectly apply pressure on the urethra, acting like an obstruction, worsening you bph symptoms. When you have a bowel movement, the obstruction lessens, improving the flow.

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  • Posted

    hi Billy

    I have recently had the TURP operation as well as the removal of bladder stones. It has been successful to date and nothing to worry about. My life has been transformed.

    Before my operation, passing urine whilst sitting down would generally mean that I would defecate also. Urine would flow quicker but it would still be a struggle.

    Maybe this was caused by my condition at that time. Still think that you may need to be checked our by a doctor or the hospital to be sure of what is going on.

    Hope this helps.

    Best wishes


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  • Posted

    There is a relationship there. I don't get a waterfall type effect but sometimes when I stand up after a bm I feel the urge to pee stronger and sometimes there is a decent flow for a few seconds. I also notice that sometimes when I don't notice my bladder filling up, I will feel it in my bowels and when I go in to pee I have to sit instead. I can't pee at all while sitting. Just drip.

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  • Posted

    I agree with you. This has been discussed here before as bowel pressure is removed your flow improves but some have argued it the other way.

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    • Posted

      As Derek said this has been discussed in some other threads here. I think when the colon is full it puts pressure on the prostate because of it's proximity.Also the muscles used to hold off a bowel movement have to relax, and may make it easier to urinate as well. The pubococcygeus muscle or PC muscle is one of the pelvic floor muscles that surrounds both the rectum and the urethra. Contracting the PC muscle will stop your flow of urine, as well as slightly contract your anus according to Wikkipedia.

      The pubococcygeus muscle controls urine flow and contracts during orgasm as well as assisting in male ejaculation . So when you have a bowel movement the PC muscle has to relax which also makes it easier to urinate. The PC muscle is also used during orgasms so it relaxes after orgasm and also makes it easier to urinate.

      The pubococcygeus muscle is part of the levator ani muscle group. The levator ani muscles are responsible for "wagging" the tail in tailed quadrupeds (dogs), according to Wikkipedia. It is also used for the tail tucking maneuver by dogs, when afraid, according to the book "A Headache in the Pelvis". I have found that after I have peed as much as I can, if I do an excercise on hands and knees of arching the back up and down ( similar to tail tucking ) I can pee some more, perhaps because the levator ani muscles relax ? This is all just theory of course, but it works for me. I also have degenerated disks in my low back so that possibly has something to do with it, and possibly something to do with my urinary difficulties, although the Urologists have never looked into it.

      Look up "pubococcygeus muscle" and "levator ani muscle" on google, or in an anatomy book.

      Sorry for the ramble, this has gotten long, but I hope it can help.


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  • Posted

    There is a definitely a relationship there. What proved it to me was I was badly constipated over a year ago and after a couple of days of no bm, I could not urinate at all. The only thing that would help was a hot bath seemed to loosed everything up. This went on for 12 days, 2 urgent care visits and 2 hospital visits. It took some serious laxative to get things moving again. My issue is lack of fiber and I now take Metamucil daily. I feel so old at 55. LOL

    So yes I can guarantee there is a relationship here.


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