I found out about the effects of sorbitol and had the worst diarrhea I've ever had. I didn't feel like I could hold down anything including liquids so I didn't drink anything before I went to sleep. I woke up around 3:30 am and had severe stomach pain and every time I tried to drink something the pain got worse and eventually I almost passed out and asked my roommate to drive me to the hospital. (I felt better when we arrived, I didn't check in.)now I'm drinking but I still feel very lightheaded