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Ferrous sulfate Side Effects

Medically reviewed by Drugs.com. Last updated on Dec 6, 2023.

Applies to ferrous sulfate: oral tablet, oral tablet delayed release, oral tablet extended release. Other dosage forms:

Warning

  • Accidental overdose of drugs that have iron in them is a leading cause of deadly poisoning in children younger than 6 years of age. Keep away from children. If this drug is taken by accident, call a doctor or poison control center right away.

Serious side effects of Ferrous sulfate

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 sulfate

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 sulfate: compounding powder, oral capsule extended release, oral delayed release tablet, oral elixir, oral liquid, oral syrup, oral tablet, oral tablet extended release.

Gastrointestinal

Frequency not reported: Nausea, epigastric pain, altered bowel habit (constipation, diarrhea), discolored (blackened) stools, fecal impaction, gastrointestinal irritation, contact irritation resulting in erosion or ulceration, tooth discoloration[Ref]

Hypersensitivity

Frequency not reported: Hypersensitivity reactions (from rashes to anaphylaxis)[Ref]

Frequently asked questions

References

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

2. Product Information. Ferrous Sulfate (ferrous sulfate). Sun Pharmaceutical Industries. 2016.

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.