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Ferrous fumarate Side Effects

Medically reviewed by Drugs.com. Last updated on Nov 9, 2023.

Applies to ferrous fumarate: oral capsule, oral tablet, oral tablet extended release.

Serious side effects of Ferrous fumarate

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

Other side effects of Ferrous fumarate

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-332-1088. You may also report side effects at https://www.fda.gov/medwatch.

For Healthcare Professionals

Applies to ferrous fumarate: compounding powder, oral liquid, oral suspension, oral tablet, oral tablet chewable, oral tablet extended release.

Gastrointestinal

Frequency not reported: Nausea, vomiting, gastrointestinal discomfort, constipation, diarrhea, discolored (blackened) stools, tooth discoloration, anorexia, epigastric pain, fecal impaction[Ref]

Hematologic

Frequency not reported: Hemosiderosis[Ref]

Hypersensitivity

Frequency not reported: Allergic reaction[Ref]

References

1. Cerner Multum, Inc. UK Summary of Product Characteristics.

2. Product Information. Hemocyte (ferrous fumarate). US Pharmaceutical Corporation. 2017.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.