Drug interactions
Minocycline + Polycarbophil
Severity: Moderate
Minocycline and Polycarbophil: 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
Polycarbophil, particularly as calcium polycarbophil, can bind tetracyclines in the gut. Minocycline absorption may be reduced, risking treatment failure.
What this interaction means in plain words
Minocycline and Polycarbophil 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.
Minocycline belongs to Anti Bacterial; Polycarbophil belongs to Gastrointestinal Tract.
Why it happens
Binding or chelation of minocycline in the gastrointestinal tract reduces absorption.
What to do
Separate minocycline from polycarbophil by at least 2 hours before or several hours after. 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 Polycarbophil
- Demeclocycline + Polycarbophil Moderate
- Doxycycline + Polycarbophil Moderate
- Oxytetracycline + Polycarbophil Moderate
- Polycarbophil + Tetracycline Moderate
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 Polycarbophil?
MediHelp rates the interaction as moderate. Minocycline and Polycarbophil 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. Polycarbophil, particularly as calcium polycarbophil, can bind tetracyclines in the gut. Minocycline absorption may be reduced, risking treatment failure.
How serious is the interaction between Minocycline and Polycarbophil?
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 minocycline from polycarbophil by at least 2 hours before or several hours after. Monitor clinical response.
What other medicines interact with Polycarbophil?
MediHelp also lists interactions of Polycarbophil with, for example, Demeclocycline, Doxycycline, Oxytetracycline. The full list is on the Polycarbophil page.
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