Drug interactions
Carbonyl iron + Sodium bicarbonate
Severity: Moderate
Carbonyl iron and Sodium bicarbonate: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Oral sodium bicarbonate neutralizes gastric acid, which carbonyl iron needs to dissolve and be absorbed. Iron absorption can fall and the response to iron therapy may be reduced.
What this interaction means in plain words
Carbonyl iron and Sodium bicarbonate can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Carbonyl iron belongs to Miscellaneous; Sodium bicarbonate belongs to Gastrointestinal Tract.
Why it happens
Raised gastric pH impairs dissolution of carbonyl iron and formation of absorbable ferrous iron.
What to do
Separate doses by at least 2 hours. Monitor hemoglobin and ferritin if antacids are used regularly.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Carbonyl iron
- Aluminum hydroxide + Carbonyl iron Moderate
- Baloxavir marboxil + Carbonyl iron Moderate
- Calcium acetate + Carbonyl iron Moderate
- Calcium carbonate + Carbonyl iron Moderate
- Calcium + Carbonyl iron Moderate
- Carbidopa-entacapone-levodopa + Carbonyl iron Moderate
Other interactions of Sodium bicarbonate
- Acetylsalicylic acid + Sodium bicarbonate Moderate
- Alendronate + Sodium bicarbonate Moderate
- Amantadine + Sodium bicarbonate Moderate
- Cefditoren + Sodium bicarbonate Moderate
- Cefpodoxime + Sodium bicarbonate Moderate
- Cefuroxime + Sodium bicarbonate Moderate
Frequently asked questions
Can I take Carbonyl iron with Sodium bicarbonate?
MediHelp rates the interaction as moderate. Carbonyl iron and Sodium bicarbonate can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Oral sodium bicarbonate neutralizes gastric acid, which carbonyl iron needs to dissolve and be absorbed. Iron absorption can fall and the response to iron therapy may be reduced.
How serious is the interaction between Carbonyl iron and Sodium bicarbonate?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Separate doses by at least 2 hours. Monitor hemoglobin and ferritin if antacids are used regularly.
What other medicines interact with Carbonyl iron?
MediHelp also lists interactions of Carbonyl iron with, for example, Aluminum hydroxide, Baloxavir marboxil, Calcium acetate. The full list is on the Carbonyl iron page.
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