Medical Editor: John P. Cunha, DO, FACOEP
Niferex-150 Capsules (ferrous asparto glycinate and polysaccharide iron) Complex is a dietary supplement used to treat and prevent vitamin C and iron deficiencies. Niferex-150 is available in generic form. Common side effects of Niferex-150 include:
- stomach upset,
- nausea,
- vomiting,
- diarrhea,
- constipation,
- staining of the teeth, and
- black-colored stools
The recommended dose of Niferex-150 is 1 or 2 capsules daily. Warfarin, estrogen, and birth control may interact with Niferex-150. Tell your doctor all medications you take. Keep Niferex-150 out of reach of children. If you are pregnant or breastfeeding, talk to your doctor before taking Niferex-150.
Our Niferex-150 Capsules (ferrous asparto glycinate and polysaccharide iron) Complex 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.

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Call your doctor at once if you have:
- bloody or tarry stools; or
- severe stomach pain or cramps.
Common side effects may include:
- constipation, diarrhea;
- nausea, upset stomach;
- black or dark colored 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.
Read the entire detailed patient monograph for Niferex-150 (Polysaccharide-Iron Complex Capsules)

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Read the entire FDA prescribing information for Niferex-150 (Polysaccharide-Iron Complex Capsules)
© Niferex-150 Patient Information is supplied by Cerner Multum, Inc. and Niferex-150 Consumer information is supplied by First Databank, Inc., used under license and subject to their respective copyrights.
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