Iron Deficiency Anemia Medication and The Likelihood of Constipation

Constipation is a commonly reported side effect when taking ferrous succinate tablets. This medication can slow down intestinal movement, which often leads to constipation and darkening of stool color. The change in stool color to a blackish-brown hue is due to a chemical reaction between iron and hydrogen sulfide in the intestines, forming iron sulfide. These effects are generally considered normal side effects of the medication, and symptoms like constipation usually subside after discontinuation.

If the patient's stool remains black even after stopping the medication, it may indicate an underlying issue such as gastrointestinal bleeding. In such cases, it's important to seek medical attention if symptoms persist. A healthcare provider may recommend blood tests to measure red blood cell count and hemoglobin levels, as well as a fecal occult blood test, to determine whether internal bleeding is occurring.

To help manage constipation while taking ferrous succinate, patients are advised to avoid spicy, greasy, or hard-to-digest foods. Instead, incorporating fiber-rich fruits and vegetables into the daily diet can support healthy digestion. Maintaining regular physical activity also helps stimulate bowel movements and reduce the risk of constipation. Additionally, avoiding prolonged sitting and staying hydrated throughout the day can further aid digestive health.