July 1, 2016
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Niferex-150 Forte

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Niferex-150 Forte

Niferex-150 Forte Side Effects Center

Medical Editor: Melissa Conrad Stöppler, MD

Last reviewed on RxList 3/5/2016

Niferex-150 Forte (polysaccharide-iron complex capsules) is an iron supplement used for the prevention and treatment of iron deficiency anemia and/or nutritional megaloblastic anemias. Common side effects of Niferex-150 Forte include constipation, diarrhea, nausea, vomiting, upset stomach, abdominal pain, or dark stools. Most side effects of Niferex-150 Forte are temporary.

The recommended dosage of Niferex-150 Forte is 1 capsule daily taken orally. Tell your doctor all prescription, over-the-counter, and herbal medications you use. Niferex-150 Forte may interact with bisphosphonates, levodopa, penicillamine, antibiotics, and thyroid medications. Talk to your doctor about your complete medical history, including a use/abuse of alcohol, stomach/intestinal problems, or vitamin B12 deficiency (pernicious anemia). Tell your doctor if you are pregnant or breastfeeding.

Our Niferex®-150 Forte (polysaccharide-iron complex capsules) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

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 is Prescribing information?

The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.

Niferex-150 Forte FDA Prescribing Information: Side Effects
(Adverse Reactions)


Adverse reactions with iron therapy may include constipation, diarrhea, nausea, vomiting, dark stools and abdominal pain. Adverse reactions with iron therapy are usually transient.

Allergic sensitization has been reported following both oral and parenteral administration of folic acid.

Read the entire FDA prescribing information for Niferex-150 Forte (Polysaccharide-Iron Complex Capsules)

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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