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Ferrous Fumarate


Related terms
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    Related terms
    • U.S. Brand Names: Femiron® [OTC];Ferretts® [OTC];Ferro-Sequels® [OTC];FerrociteT [OTC];Hemocyte® [OTC];Ircon® [OTC]
    • Canadian Brand Names: Palafer®
    • Mexican Brand Names: Ferval
    • Pharmacologic Category: Iron Salt

    • This medicine is used to treat anemia.
    • Iron is usually recommended during pregnancy to prevent anemia.
    • Iron plays an important role in taking oxygen and transporting it to where it is needed in the body. Iron is taken into the red blood cells and made into hemoglobin. Hemoglobin actually carries the oxygen around in the body.
    • Low iron stores can be caused by a diet lacking in iron, poor absorption of iron from the small intestines, pregnancy, breast-feeding, or blood loss.


    How to take

    • Take this medicine with or without food. Take with food if it causes an upset stomach.
    • Take this medicine 1 hour before or 2 hours after bran, fiber supplements, tea, coffee, dairy products, or eggs.
    • Long-acting products: Swallow whole. Do not chew, break, or crush.
    • Follow diet plan as recommended by healthcare provider.

    Missed Dose

    • Take a missed dose as soon as possible.
    • If it is almost time for the next dose, skip the missed dose and return to your regular schedule.
    • Do not take a double dose or extra doses.
    • Do not change dose or stop medicine. Talk with healthcare provider.


    • Store at room temperature.
    • Protect tablets from moisture. Do not store in a bathroom or kitchen.



    • Keep away from children. Accidental poisonings with iron occur most often in children. Initial signs of overdose include feeling tired, nausea, vomiting, belly pain, dark tarry-black stool, and weak or fast heartbeat.
    • This medicine does not mix well with some medicines. Serious reactions may occur. Check all medicines with healthcare provider.


    • If you have an allergy to ferrous fumarate or any other part of this medicine.
    • Tell healthcare provider if you are allergic to any medicine. Make sure to tell about the allergy and how it affected you. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other symptoms involved.
    • If you have any of the following conditions: Anemia from a cause other than low iron stores, too much iron in your body, or thalassemia.


    • Check medicines with healthcare provider. This medicine may not mix well with other medicines.
    • Do not take calcium, zinc, copper supplement, or multivitamins containing any of these minerals within 2 hours of this medicine.
    • Do not take antacids within 2 hours of this medicine.
    • Do not take tetracycline within 4 hours of this medicine.
    • Take antibiotics like ciprofloxacin and levofloxacin 2 hours before this medicine.
    • Tell healthcare provider if you are pregnant or plan on getting pregnant.

    Side Effects

    • Belly pain.
    • Nausea or vomiting. Small frequent meals, frequent mouth care, sucking hard, sugar-free candy, or chewing sugar-free gum may help.
    • Diarrhea.
    • Constipation. More liquids, regular exercise, or a fiber-containing diet may help. Talk with healthcare provider about a stool softener or laxative.
    • Black stools.


    • Change in condition being treated. Is it better, worse, or about the same?
    • Follow up with healthcare provider.

    Contact a healthcare provider

    • If you suspect an overdose, call your local poison control center or emergency department immediately.
    • Signs of a life-threatening reaction. These include wheezing; chest tightness; fever; itching; bad cough; blue skin color; fits; or swelling of face, lips, tongue, or throat.
    • Severe nausea or vomiting.
    • Severe diarrhea.
    • Severe constipation.
    • If a child eats your tablets. Accidental poisonings with iron occur most often in children. Initial signs of overdose include feeling tired, nausea, vomiting, belly pain, dark tarry-black stool, and weak or fast heartbeat.
    • For females, menstrual changes. These include lots of bleeding, spotting, or bleeding between cycles.
    • Any rash.
    • No improvement in condition or feeling worse.

    General Statements

    • If you have a life-threatening allergy, wear allergy identification at all times.
    • Do not share your medicine with others and do not take anyone else's medicine.
    • Keep all medicine out of the reach of children and pets.
    • Most medicines can be thrown away in household trash after mixing with coffee grounds or kitty litter and sealing in a plastic bag.
    • In Canada return any unused drugs back to the pharmacy. Also, visit for more facts about the right way to get rid of unused drugs.
    • Keep a list of all your medicines (prescription, natural products, supplements, vitamins, over-the-counter) with you. Give this list to healthcare provider (doctor, nurse, nurse practitioner, pharmacist, physician assistant).
    • Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or in Canada to Health Canada's Canada Vigilance Program at 1-866-234-2345.
    • Talk with healthcare provider before starting any new medicine, including over-the-counter, natural products, or vitamins.

    Author information
    • Copyright © 1978-2010 Lexi-Comp Inc. All rights reserved.

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    The information in this monograph is intended for informational purposes only, and is meant to help users better understand health concerns. Information is based on review of scientific research data, historical practice patterns, and clinical experience. This information should not be interpreted as specific medical advice. Users should consult with a qualified healthcare provider for specific questions regarding therapies, diagnosis and/or health conditions, prior to making therapeutic decisions.