Excipient (pharmacologically inactive substance)
Medically reviewed by Drugs.com. Last updated on June 15, 2020.
What is it?
Ferrous oxide (FeO), or iron (II) oxide, is an iron oxide and exists as a black powder. It is not rust (ferric oxide). Iron(II) oxide makes up part of the earth's mantle. Synthetic iron oxide is approved for used as a pigment in certain foods, cosmetics, contact lenses and drugs.
Top Medications with this excipient
- Bisacodyl Delayed Release 5 mg
- Clomipramine Hydrochloride 25 mg
- Ibuprofen 200 mg
- Imipramine Pamoate 125 mg
- Imipramine Pamoate 100 mg
- Imipramine Pamoate 150 mg
- Qtern dapagliflozin 10 mg / saxagliptin 5 mg
 FDA. For Industry. Summary of Color Additives for Use in the United States in Foods, Drugs, Cosmetics, and Medical Devices. Accessed April 1, 2014. http://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfCFR/CFRSearch.cfm?fr=73.1200
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