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Iron/Ferrous Sulfate

Brand name: Fer-In-Sol, Feosol, Fer-Iron Generic Name: Ferrous Sulfate

What does this medicine do?

  • Iron is the mineral the body uses to make hemoglobin. Hemoglobin is the part of red blood cells that carries oxygen. When hemoglobin gets too low, a person has anemia.
  • Children with heart defects that cause cyanosis or blueness need even more hemoglobin than other children because there is less than normal levels of oxygen in their blood.  

How should I give my child this medicine?

  • Give at the same time each day as directed.
  • Iron is absorbed better if given between meals and with a vitamin C fortified juice.
  • Some foods decrease iron absorption and should be avoided for at least one hour before and two hours after the dose. These foods include cheese, yogurt, eggs, milk, whole-grain breads and cereals.
  • Can be given as a liquid or a pill. The liquid should be measured with an oral syringe.
  • The liquid may stain teeth. The staining is not permanent and may be lessened by following these suggestions:
    • Put the liquid on the back of your child's tongue and offer a drink of juice afterwards to help rinse the liquid from the mouth.
    • Mix it in juice and let your child use a straw to drink it.

Stains may be lessened by brushing your child's teeth with baking soda.

What should I do if my child vomits after a dose?

If the vomiting occurs within 15 minutes after the medicine is given, give the entire dose again. If more than 15 minutes have passed, do not give it again until the next scheduled dose.  

What should I do if my child misses a dose?

Give the dose as soon as you remember it, up to 2 hours later. If it is more than 2 hours late, skip the missed dose and give the next dose at the regular time. Never try to make up missed doses by giving extra medicine.  

What are the common side effects?

Bowel movements may be darker in color. This color change is caused by iron that is not absorbed by the body and is harmless.

  • Constipation or diarrhea
  • Stomach pain
  • Nausea and/or vomiting

This information does not cover all the uses, precautions, side effects or interactions of this medicine. If you have any further questions, please contact your doctor.

2006: Information reviewed by Lynda Dettling BSN, RN

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