Medical Author: John P. Cunha, DO, FACOEP Last updated on RxList: 1/10/2022
Drug Description

What is FeRiva and how is it used?

FeRiva is an over the counter and prescription medicine used as an Iron Supplement. FeRiva may be used alone or with other medications.

FeRiva belongs to a class of drugs called Iron Productions; Vitamin and Mineral Combinations.

It is not known if FeRiva is safe and effective in children.

What are the possible side effects of FeRiva?

FeRiva may cause serious side effects including:

  • hives,
  • difficulty breathing,
  • swelling of your face, lips, tongue, or throat,
  • rash,
  • itching, and
  • severe dizziness

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

The most common side effects of FeRiva include:

  • constipation,
  • diarrhea,
  • dark stools, and
  • upset stomach

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 FeRiva. 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.


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.


FeRiva 21/7™ tablets for oral administration is a 28-day iron supplement regimen that consists of 21 red, oval-shaped iron tablets and 7 purple, oval-shaped placebo tablets. Each red, oval-shaped iron tablet is debossed with “21” and “7” separated by line in the middle on the top-side of the tablet and blank on the other side. Each purple, oval shaped placebo tablet is blank on both sides of the tablet.

Indications & Dosage


FeRiva 21/7™ tablets for oral administration is a 28-day iron supplement regimen.


Usual dosage is one tablet daily with or without food or as prescribed by your healthcare provider. The FeRiva 21/7™ Tablets blister pack supplies a 28-day course of iron therapy that consists of 21 red iron tablets and 7 purple placebo tablets. Take 1 red iron tablet daily for 21 days, followed by 1 purple placebo tablet daily for 7 days. After 28 tablets have been taken a new course may be started if prescribed.

Supplement Facts
Serving Size: 1 tablet
% Daily Value % Daily Value for Pregnant & Lactating Women
Each Red Iron Tablet Contains :
Vitamin C (as Ascorbic Acid) 175 mg 292% 292%
Zinc (as Zinc Bisglycinate) 10 mg 67% 67%
Vitamin B12 (as Cyanocobalamin) 12 mcg 200% 150%
Iron (as Ferrrous Asparto Glycinate) Sumalate® 75 mg 417% 417%
Folate (as ((6S)-N5- methyltetrahydrofolic acid calcium salt (molar equivalent to 600 mcg of folic acid) and folic acid, USP 400 mcg) 1 mg 250% 125%
Docusate Sodium 50 mg * *
Succinic Acid 150 mg * *
PURPLE PLACEBO TABLETS do not contain ANY vitamins, minerals or other dietary ingredients. Please see Other Ingredients section below for the listing of the placebo ingredients.
* Daily Value (DV) not established.

Other Ingredients (Red Iron Tablets)

Dicalcium phosphate, microcrystalline cellulose, stearic acid, silicon dioxide, magnesium stearate and croscarmellose sodium.


FeRiva 21/7™tablets blister pack (75854-318-28) contains 21 red iron tablets and 7 purple placebo tablets. The listed product number is not a National Drug Code. Instead Avion Pharmaceuticals has assigned a product code formatted according to standard industry practice to meet the formatting requirements of pharmacy and health insurance computer systems.


Store between 20°- 25°C (68°- 77°F)

Distributed By: Avion Pharmaceuticals, LLC. Revised: Oct 2014


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Side Effects & Drug Interactions


Health Claims

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


No Information Provided

Warnings & Precautions


Included as part of the PRECAUTIONS section.


Folic acid alone is improper therapy in the treatment of pernicious anemia and other megaloblastic anemias where Vitamin B12 is deficient. Folic acid in doses above 1.0 mg daily may obscure pernicious anemia in that hematologic remission can occur while neurological manifestations progress. While prescribing this nutritional supplement for pregnant women, nursing mothers or for women prior to conception, their medical condition and other drugs, herbs and/or supplements consumption should be considered.

Overdosage & Contraindications


No Information Provided


No Information Provided

Clinical Pharmacology


No Information Provided

Medication Guide


No information provided. Please refer to the WARNINGS AND PRECAUTIONS sections.

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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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