Ferra-Cap



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Generic Name: carbonyl iron
(car BAH nill I ern)

What is Ferra-Cap?

Ferra-Cap is a form of the mineral iron. Iron is important for many functions in the body, especially for the transport of oxygen in the blood.

Ferra-Cap is used as a dietary supplement, and to prevent and to treat iron deficiencies and iron deficiency anemia.

Ferra-Cap may also be used for purposes other than those listed in this medication guide.

What is the most important information I should know about Ferra-Cap?

Keep this medication out of the reach of children. An accidental overdose of iron by a child can be fatal.

Ferra-Cap may decrease the absorption of other medicines. Talk to your doctor and pharmacist before taking carbonyl iron if you take any other prescription or over-the-counter medicines.

Who should not take Ferra-Cap?

Do not take Ferra-Cap if you have

  • hemochromatosis,
  • hemosiderosis, or
  • hemolytic anemia.
  • Ferra-Cap may be dangerous if you have any of the conditions listed above.

    If you do not have an iron deficiency, talk to your doctor about the use of Ferra-Cap. Generally, carbonyl iron should not be taken chronically by individuals with a normal iron balance.

    Talk to your doctor before taking Ferra-Cap if you are pregnant.

    Talk to your doctor before taking Ferra-Cap if you are breast-feeding a baby.

    How should I take Ferra-Cap?

    Take Ferra-Cap exactly as directed by your doctor, or as directed on the package. If you do not understand these directions, ask your pharmacist, nurse, or doctor to explain them to you.

    Take each tablet with a full glass of water.

    Take Ferra-Cap on an empty stomach for best results. If stomach upset occurs, take carbonyl iron with food or following a meal.

    Shake the suspension well before measuring a dose. To ensure that you get the correct dose, measure the liquid form of Ferra-Cap with a dose measuring cup or spoon, not with a regular table spoon. If you do not have a dose measuring device, ask your pharmacist where you can get one.

    Ferra-Cap may decrease the absorption of other medicines. Talk to your doctor and pharmacist before taking carbonyl iron if you take any other prescription or over-the-counter medicines.

    Store Ferra-Cap at room temperature, away from moisture and heat.

    Keep this medication out of the reach of children. An accidental overdose of iron by a child can be fatal.

    What happens if I miss a dose?

    Take the missed dose as soon as you remember. However, if it is almost time to take next dose, skip the dose you missed and take the next regularly scheduled dose as directed. Do not take a double dose.

    What happens if I overdose?

    Seek emergency medical attention.

    Symptoms of a Ferra-Cap overdose include decreased energy; nausea; vomiting; abdominal pain; tarry stools; a weak, rapid pulse; fever; coma; seizures; and death.

    What should I avoid while taking Ferra-Cap?

    Keep this medication out of the reach of children. An accidental overdose of iron by a child can be fatal.

    Ferra-Cap may decrease the absorption of other medicines. Talk to your doctor and pharmacist before taking carbonyl iron if you take any other prescription or over-the-counter medicines.

    What are the possible side effects of Ferra-Cap?

    If you experience an allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives), stop taking Ferra-Cap and seek emergency medical attention.

    Other less serious side effects are more likely to occur. Continue taking Ferra-Cap and talk to your doctor or pharmacist if you experience

  • stomach upset,
  • nausea or vomiting,
  • constipation,
  • diarrhea,
  • black or darker than normal appearing stools, or
  • temporary staining of the teeth.
  • This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

    What other drugs will affect Ferra-Cap?

    Do not take Ferra-Cap within 2 hours of a dose of any of the following medicines

  • a tetracycline antibiotic such as tetracycline (Achromycin, Sumycin), minocycline (Minocin, Dynacin), doxycycline (Vibramycin, Monodox), demeclocycline (Declomycin), oxytetracycline (Terramycin), or troleandomycin (TAO);
  • a fluoroquinolone antibiotic such as ciprofloxacin (Cipro), enoxacin (Penetrex) ofloxacin (Floxin), norfloxacin (Noroxin), levofloxacin (Levaquin), lomefloxacin (Maxaquin), grepafloxacin (Raxar), sparfloxacin (Zagam), or trovafloxacin (Trovan)
  • levodopa (Larodopa, Dopar, Sinemet)
  • levothyroxine (Synthroid, Levoxyl, others)
  • methyldopa (Aldomet); or
  • penicillamine (Cuprimine).
  • Ferra-Cap may decrease the absorption of the drugs listed above.

    Do not take antacids within 2 hours of a dose of Ferra-Cap. Antacids may decrease the absorption of carbonyl iron.

    Drugs other than those listed here may also interact with Ferra-Cap. Talk to your doctor and pharmacist before taking any other prescription or over-the-counter medicines while taking carbonyl iron.

    Where can I get more information?

    Your pharmacist has additional information about Ferra-Cap written for health professionals that you may read.


    Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

    Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.