Can iron supplements cause diarrhea?

Diarrhea, nausea, heartburn, abdominal pain and constipation are among the side effects of iron supplements. Oral iron supplements may cause black stools, which may be mistaken for a sign of gastrointestinal bleeding. read more

Yet, iron supplements can cause stomach cramps, nausea, and diarrhea in some people. You may need to take iron with a small amount of food to avoid this problem. Milk, calcium and antacids should NOT be taken at the same time as iron supplements. read more

Iron supplements and diarrhea I have been told that I have iron-deficiency anemia and am taking 325 mg ferrous sulfate twice a day. Like usual, the dr told me that it may cause constipation. read more