I have IBS, too. Actually, I want to say roughly 9/10 people on Anxiety Zone do, since IBS & anxiety seem to go together like peanut-butter & jelly. Mucus in stool, especially with IBS, is normal. I get it, as well. Not every single time, but it still happens. Now, what color was the blood? Bright red, or dark? If it was bright red, then most likely it was caused by irritation. If it was dark red & it happens again, then go ahead & make an appointment with your doctor. I, personally, sometimes get bright red blood in my stool... but, I also am
to have pretty gnarly internal & external hemorrhoids. However, like I mentioned above, the irritation from IBS can cause some bright red blood to appear in your stool/on your toilet paper. If the toilet bowl isn't covered in it & if it isn't dark red in color, please try to take a deep breath & relax. Make an appointment with your doctor tomorrow, if you are really concerned. Either way, I can pretty much garuntee that you are A-OK.