Can Prenatal Vitamins Make You Have Diarrhea?

Can Prenatal Vitamins Make You Have Diarrhea? Can prenatal vitamins make you have diarrhea? Most women who take prenatal vitamins as directed by their doctor or midwife experience little or no side effects from prenatal vitamins. The iron in prenatal vitamins may cause constipation, and some women complain of nausea. You also may have diarrhea,