Drug interactions
Ferrous fumarate + Green tea
Severity: Minor
Ferrous fumarate and Green tea: minor 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
Tea polyphenols such as catechins and tannins bind non-heme iron and reduce its absorption. This may blunt the response to iron supplementation.
What this interaction means in plain words
Ferrous fumarate and Green tea have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Ferrous fumarate belongs to Miscellaneous; Green tea belongs to Gastrointestinal Tract.
Why it happens
Polyphenols form insoluble complexes with iron in the gut lumen.
What to do
Separate green tea from iron doses by at least 1 hour before and 2 hours after. Take iron with water.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Ferrous fumarate
Other interactions of Green tea
- Adenosine + Green tea Moderate
- Benzphetamine + Green tea Moderate
- Bortezomib + Green tea Moderate
- Dextroamphetamine + Green tea Moderate
- Diethylpropion + Green tea Moderate
- Ephedrine + Green tea Moderate
Frequently asked questions
Can I take Ferrous fumarate with Green tea?
MediHelp rates the interaction as minor. Ferrous fumarate and Green tea have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Tea polyphenols such as catechins and tannins bind non-heme iron and reduce its absorption. This may blunt the response to iron supplementation.
How serious is the interaction between Ferrous fumarate and Green tea?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Separate green tea from iron doses by at least 1 hour before and 2 hours after. Take iron with water.
What other medicines interact with Ferrous fumarate?
MediHelp also lists interactions of Ferrous fumarate with, for example, Ciprofloxacin, Acetohydroxamic acid, Aluminum hydroxide. The full list is on the Ferrous fumarate page.
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