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Generic Name: Ferric Carboxymaltose (FER ik kar box ee MAWL tose)
Brand Name: Injectafer

Medically reviewed by Last updated on Aug 17, 2020.

Uses of Injectafer:

  • It is used to treat anemia.

What do I need to tell my doctor BEFORE I take Injectafer?

  • If you have an allergy to ferric carboxymaltose or any other part of Injectafer (ferric carboxymaltose).
  • If you are allergic to Injectafer (ferric carboxymaltose); any part of Injectafer (ferric carboxymaltose); or any other drugs, foods, or substances. Tell your doctor about the allergy and what signs you had.
  • If you have any of these health problems: Too much iron in your body or anemia from a cause other than low iron.
  • If you take an iron product by mouth.

This is not a list of all drugs or health problems that interact with Injectafer (ferric carboxymaltose).

Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take Injectafer (ferric carboxymaltose) with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.

What are some things I need to know or do while I take Injectafer?

  • Tell all of your health care providers that you take Injectafer (ferric carboxymaltose). This includes your doctors, nurses, pharmacists, and dentists.
  • High blood pressure has happened with Injectafer (ferric carboxymaltose). Have your blood pressure checked as you have been told by your doctor.
  • Have blood work checked as you have been told by the doctor. Talk with the doctor.
  • This medicine may affect certain lab tests. Tell all of your health care providers and lab workers that you take Injectafer (ferric carboxymaltose).
  • Very bad and sometimes deadly allergic side effects have rarely happened. Talk with your doctor.
  • Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using Injectafer (ferric carboxymaltose) while you are pregnant.
  • Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.

How is this medicine (Injectafer) best taken?

Use Injectafer (ferric carboxymaltose) as ordered by your doctor. Read all information given to you. Follow all instructions closely.

  • It is given as a shot into a vein.
  • It is given as an infusion into a vein over a period of time.
  • Your doctor will give Injectafer (ferric carboxymaltose).
  • You will be watched closely by your doctor.

What do I do if I miss a dose?

  • Call your doctor to find out what to do.

What are some side effects that I need to call my doctor about right away?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

  • Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
  • Signs of low phosphate levels like change in eyesight, feeling confused, mood changes, muscle pain or weakness, shortness of breath or other breathing problems, or trouble swallowing.
  • Signs of high blood pressure like very bad headache or dizziness, passing out, or change in eyesight.
  • Dizziness or passing out.
  • This medicine may stain your skin brown near where it is given if it leaks from the vein. This may last for a long time. Tell your nurse if you have any leaking of fluid or other signs where the drug is going into your body.

What are some other side effects of Injectafer?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-332-1088. You may also report side effects at

If OVERDOSE is suspected:

If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

How do I store and/or throw out Injectafer?

  • If you need to store Injectafer (ferric carboxymaltose) at home, talk with your doctor, nurse, or pharmacist about how to store it.

Consumer information use

  • If your symptoms or health problems do not get better or if they become worse, call your doctor.
  • Do not share your drugs with others and do not take anyone else's drugs.
  • Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
  • Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.
  • Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about Injectafer (ferric carboxymaltose), please talk with your doctor, nurse, pharmacist, or other health care provider.
  • If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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