Drug interactions
Ferrous gluconate + Vonoprazan
Severity: Moderate
Ferrous gluconate and Vonoprazan: 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
Vonoprazan strongly and durably suppresses gastric acid, which can impair absorption of oral iron salts. Long-term use may lead to a poorer response to iron.
What this interaction means in plain words
Ferrous gluconate and Vonoprazan 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.
Ferrous gluconate belongs to Miscellaneous; Vonoprazan belongs to Gastrointestinal Tract.
Why it happens
Sustained rise in gastric pH decreases solubility and absorption of non-heme iron.
What to do
Monitor hemoglobin and ferritin during long-term combined use. Consider a higher iron dose or parenteral iron if the response is inadequate.
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 Ferrous gluconate
Other interactions of Vonoprazan
- Amobarbital + Vonoprazan Major
- Apalutamide + Vonoprazan Major
- Atazanavir + Vonoprazan Major
- Carbamazepine + Vonoprazan Major
- Erlotinib + Vonoprazan Major
- Phenytoin + Vonoprazan Major
Frequently asked questions
Can I take Ferrous gluconate with Vonoprazan?
MediHelp rates the interaction as moderate. Ferrous gluconate and Vonoprazan 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. Vonoprazan strongly and durably suppresses gastric acid, which can impair absorption of oral iron salts. Long-term use may lead to a poorer response to iron.
How serious is the interaction between Ferrous gluconate and Vonoprazan?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor hemoglobin and ferritin during long-term combined use. Consider a higher iron dose or parenteral iron if the response is inadequate.
What other medicines interact with Ferrous gluconate?
MediHelp also lists interactions of Ferrous gluconate with, for example, Ciprofloxacin, Acetohydroxamic acid, Aluminum hydroxide. The full list is on the Ferrous gluconate page.
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