Spastic bowel is the 'old' term for what we now call IBS. So it's really one in the same.
There are many different things you can try to manage/control IBS symptoms. It depends a lot on what your main complaints are. And what works for some people, may not for others. There is a lot of trial and error in finding what works best for you..and/or what combination of things will bring relief.
If you list your main symptoms, you'd perhaps get some more defined replies to your question. There's plenty of experience on this board.
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IBS 
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