Try eating some bananas, they help with that issue. Also a teaspoon of honey helps with both the runs and being stopped up.
It's somewhat normal especially in the early stages. I have painful diarrhea and constipation. But to be sure, call and talk to your Dr
If you have diarrhea for more than few days, you should call your doctor.
I wud ring just to be on the safe side but dont worry its probably nothing.x