Niferex Capsules

Medical Editor: John P. Cunha, DO, FACOEP Last updated on RxList: 3/9/2022
Drug Description

What is Niferex Capsules and how is it used?

Niferex Capsules is a prescription medicine used to treat the symptoms of Iron Deficiency Anemia. Niferex Capsules may be used alone or with other medications.

Niferex Capsules belongs to a class of drugs called Iron Products.

What are the possible side effects of Niferex Capsules?

Niferex Capsules may cause serious side effects including:

  • hives,
  • difficulty breathing,
  • swelling of your face, lips, tongue, or throat,
  • bloody or tarry stools, and
  • severe stomach pain or cramps

Get medical help right away, if you have any of the symptoms listed above.

The most common side effects of Niferex Capsules include:

  • constipation,
  • diarrhea,
  • nausea,
  • upset stomach,
  • black or dark colored stools, and
  • temporary staining of the teeth

Tell the doctor if you have any side effect that bothers you or that does not go away.

These are not all the possible side effects of Niferex Capsules. For more information, ask your doctor or pharmacist.

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.


Supplement Facts
Serving Size 1 Capsule

Amount Per Serving % Daily Value
Iron (elemental)
(67% as Ferrochel®* and 33% as polysaccharide iron complex)
60 mg 333%

Other ingredients: Lactose, magnesium stearate, silicon dioxide, gelatin, titanium dioxide, FD&C Yellow No. 6, FD&C Red No. 40, FD&C Blue No. 1, pharmaceutical glaze.

Indications & Dosage


No information provided.



Adults: 1 or 2 capsules twice daily.

Children age 6 and older: 1 capsule daily.


NDC 64011-134-11 100 Capsules

Store at controlled room temperature 25°C (77°F); excursions permitted to 15°- 30°C (59°- 86°F). Avoid excessive heat 40°C (104°F). Avoid freezing.

* Ferrochel® (ferrous bis-glycinate chelate) is a registered trademark of Albion International, Inc., Clearfield, Utah, and is protected under U.S. Patent Nos. 4,599,152 and 4,830,716. Mktd. by Ther-Rx Corp. St. Louis, MO 63044. 12/04. FDA rev date: n/a


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Side Effects & Drug Interactions


No information provided.


No information provided.

Warnings & Precautions


WARNING: Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6. Keep this product out of reach of children. In case of accidental overdose, call a doctor or poison control center immediately.

Iron is best absorbed on an empty stomach; however, occasional gastrointestinal discomfort (such as nausea) may be minimized by taking with meals. Iron-containing medication may occasionally cause black stools, constipation, or diarrhea, which is usually transient and self-limiting.

If pregnant or breast-feeding, ask a health professional before use.

NOTICE: This product is supplied in tamper-evident blisters. Do not use if outer foil is torn or missing.


No information provided.

Overdosage & Contraindications


No information provided.


No information provided.

Clinical Pharmacology


No information provided.

Medication Guide


No information provided. Please refer to the WARNINGS section.

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Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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