Iron Oxide

Iron Oxides in Medications

Iron Oxides: A Common Pharmaceutical Ingredient Iron oxides are inorganic pigments, including red, yellow, and black forms (e.g., ferric oxide). It does not treat medical conditions, but it plays an important role in tablet formation and product consistency.


What Is Iron Oxides?

Iron oxides are naturally occurring or synthetic compounds used for coloration.


Why Is Iron Oxides Used in Medications?

Iron Oxides is used because it:

  • Provides stable, vibrant coloring to tablets and capsules
  • Enhances opacity in coatings
  • Improves visual identification and patient compliance
  • Offers light protection for sensitive ingredients

These properties make it useful in both prescription and over-the-counter products.


Ingredient Names to Look For

Iron Oxides may be listed as:

  • Iron oxides
  • Ferric oxide
  • Iron (III) oxide
  • Synthetic iron oxide

Where Does Iron Oxides Appear?

It is commonly found in:

  • Film-coated tablets
  • Capsules
  • Colored tablet cores
  • Oral solid dosage forms

How to Check a Medication’s Ingredient List

Ingredient lists can vary by manufacturer and dosage form. Use PillParser to scan a medication and view its ingredient list.





Adding the manufacturer filters generics (fillers/dyes often differ).

To keep PillParser free, anonymous scans are limited.

Understanding ingredient differences is especially important for individuals with known sensitivities. RxAllergyScan.com allows users to compare medication ingredients against their personal allergen profile.


Educational Note This page provides educational information only and does not make medical claims.