Alyssa, It really depends on where your Doctor plans to inject your botox. For the most part, the pelvic floor passes through both the vagina and the rectum/anal canal so injecting the pelvic floor can definitely affect control back there, which was the idea for me. The main muscles are called:
Obturator internus
levator ani (this includes the pubococcygeus, puborectalis and iliococcygeus)
superficial transverse perinei (sp?)
bulbospongeosis
ishiocavernosis
scroll down on this page for a diagram:
http://www.pregnancy-yoga-resource.com/ ... cises.htmlThe levator ani are deeper muscles and are most likely to affect bowel and bladder control (I have never had bladder issues) so I suspect your Doctor would be targeting these since if they are tight they will hinder bowel movements. One thing with botox to keep in mind is that the stuff spreads some. I just got a very small amount into my internal sphincter and my pelvic floor is getting weaker (I can hardly contract and lift my pelvic floor anymore as I was really weak to start with). I feel very saggy in there but I have been getting botox for 6 years and it very much has a cumulative effect. I have never had an accident though. If anything, when I first started getting the injections I had more trouble having bowel movements as I seemed to lose my propulsion. It's tough to understand if you never experienced it but if your floor is too lax the BM won't want to come out but rather just stay in there. For a while I even thought I had a rectocele. I would put an enema up there and it would just sit there
. I don't mean to scare you but I want to be honest. I was very glad to have the trigger point injections first (that is with just freezing and not botox) to be sure we were injecting the right area. It was tough at the start but after the muscles started to come back things were much better. One of the levator ani muscles called the puborectalis blends in with the external anal sphincter and if often targeted when you have nonrelaxing puborectalis syndrome/pelvic floor dyssynergia. These muscles are felt to be the ones at the bottom that form the kink that keeps stool in. Sometimes people can't unkink/relax this muscle complex and that is what I have trouble with. I would suspect that your Doctor would never give you enough to give you incontinence/urgency issues, and I think this would take more that one time to achieve. How is the strength of your pelvic floor? Did your physio asses that/ have you do kegel exercises? I would hope that he/she assesses this before giving you botox into your pelvic floor.
Sorry I am rambling (I can talk about his forever, unfortunately) but having said all this I never had urgency issues until I had my internal sphincter injected. I even had my external sphincter injected once and never had that issue. I have to say I will never again get botox in my internal sphincter it has not been a good experience. I also have to say I am complicated as I have IBS. If I can be of any more help feel free to PM me.