May 28, 2017
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Niferex-150 Patient Information Including Side Effects

Brand Names: Ferrex 150 Plus, Fe-Tinic 150, Niferex-150

Generic Name: ascorbic acid and iron polysaccharide (Pronunciation: as KORE bik AS id and EYE urn SAK a ride)

What is ascorbic acid and iron polysaccharide (Niferex-150)?

Ascorbic acid is found in citrus fruit, tomatoes, potatoes, and leafy vegetables. Ascorbic acid is important for the skin and connective tissues, for normal chemical and hormonal production, and for the immune system.

Iron polysaccharide 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.

Ascorbic acid is used to treat and prevent vitamin C deficiency.

Iron polysaccharide is used as a dietary supplement, and to prevent and to treat iron deficiencies and iron deficiency anemia.

Ascorbic acid and iron polysaccharide may also be used for purposes not listed in this medication guide.

What are the possible side effects of ascorbic acid and iron polysaccharide (Niferex-150)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using this medication and call your doctor at once if you have a serious side effect such as:

  • fever;
  • severe lower back pain;
  • painful or difficult urination;
  • blood in your urine; or
  • black or dark stools.

Less serious side effects may include:

  • stomach upset;
  • nausea or vomiting;
  • diarrhea;
  • constipation; 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.

Read the Niferex-150 (polysaccharide-iron complex capsules) Side Effects Center for a complete guide to possible side effects

What is the most important information I should know about ascorbic acid and iron polysaccharide (Niferex-150)?

Do not take more ascorbic acid and iron polysaccharide than is prescribed for you or than is directed on the package.

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

Ascorbic acid and iron polysaccharide may decrease the absorption of other medicines. Talk to your doctor and pharmacist before taking ascorbic acid and iron polysaccharide if you take any other prescription or over-the-counter medicines.

Side Effects Centers

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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