Drug interactions
Minocycline + Polysaccharide iron
Severity: Moderate
Minocycline and Polysaccharide iron: 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 iron binds minocycline in the gut and reduces its absorption, which could lower antibiotic efficacy. Iron absorption may also be reduced.
What this interaction means in plain words
Minocycline and Polysaccharide iron 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.
Why it happens
Chelation between minocycline and iron in the gastrointestinal tract reduces absorption.
What to do
Give minocycline at least 2 hours before or 3 to 4 hours after the iron preparation. Monitor clinical response.
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 Minocycline
- Acitretin + Minocycline Contraindicated
- Isotretinoin + Minocycline Contraindicated
- Cholera vaccine + Minocycline Major
- Methoxyflurane + Minocycline Major
- Minocycline + Palovarotene Major
- Minocycline + Pexidartinib Major
Frequently asked questions
Can I take Minocycline with Polysaccharide iron?
MediHelp rates the interaction as moderate. Minocycline and Polysaccharide iron 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 iron binds minocycline in the gut and reduces its absorption, which could lower antibiotic efficacy. Iron absorption may also be reduced.
How serious is the interaction between Minocycline and Polysaccharide iron?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Give minocycline at least 2 hours before or 3 to 4 hours after the iron preparation. Monitor clinical response.
What other medicines interact with Minocycline?
MediHelp also lists interactions of Minocycline with, for example, Acitretin, Isotretinoin, Cholera vaccine. The full list is on the Minocycline page.
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