Drug interactions
Risedronate + Zinc
Severity: Moderate
Risedronate and Zinc: 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
Zinc can complex with risedronate in the gut, further reducing its small oral absorption and potentially weakening the effect on bone.
What this interaction means in plain words
Risedronate and Zinc 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.
Risedronate belongs to Musculoskeletal; Zinc belongs to Gastrointestinal Tract.
Why it happens
Zinc forms insoluble complexes with risedronate in the gastrointestinal tract, decreasing absorption.
What to do
Take risedronate with plain water on an empty stomach and separate zinc-containing products by at least 30 minutes, preferably longer.
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 Risedronate
- Aluminum hydroxide + Risedronate Moderate
- Calcium acetate + Risedronate Moderate
- Calcium carbonate + Risedronate Moderate
- Calcium chloride + Risedronate Moderate
- Calcium citrate + Risedronate Moderate
- Calcium gluconate + Risedronate Moderate
Other interactions of Zinc
- Alendronate + Zinc Moderate
- Baloxavir marboxil + Zinc Moderate
- Cefalexin + Zinc Moderate
- Ciprofloxacin + Zinc Moderate
- Delafloxacin + Zinc Moderate
- Dolutegravir + Zinc Moderate
Frequently asked questions
Can I take Risedronate with Zinc?
MediHelp rates the interaction as moderate. Risedronate and Zinc 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. Zinc can complex with risedronate in the gut, further reducing its small oral absorption and potentially weakening the effect on bone.
How serious is the interaction between Risedronate and Zinc?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Take risedronate with plain water on an empty stomach and separate zinc-containing products by at least 30 minutes, preferably longer.
What other medicines interact with Risedronate?
MediHelp also lists interactions of Risedronate with, for example, Aluminum hydroxide, Calcium acetate, Calcium carbonate. The full list is on the Risedronate page.
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