Hi, I just thought I would post this especially for the younger people that have diarrhea all the time. When my son was quite young in about grade 6 he was having terrible stomach problems to the point that it was ruling his life, he couldn't go on a sleep over without taking pepto bismal along at all times. I thought this was no way that a young kid should have to live and made an appointment with a pediatrician. With all the diarrhea this kid had he was constipated! I couldn't believe it. She gave us some stuff to clean him out and he has been fine. He is allergic to milk we found out and that would bring on an allergic attack but other than that he is good. She said that you can still be constipated with diarrhea. And believe me she checked him out good. Not sure if this will help anyone but it's something to think about. He doesn't even have many milk attacks now that he is older, 24 yrs. But he would have gone his whole life like that if we hadn't found this out.