Drug interactions
alendronate + aspirin
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.
Overview
Increased risk of upper GI irritation/ulceration and bleeding with concurrent NSAID (aspirin) use.
Mechanism of action
Additive GI mucosal irritation from bisphosphonate and NSAID effects.
Clinical management
Use lowest effective aspirin dose; consider PPI in patients at GI risk. Ensure proper alendronate administration (full glass of water, remain upright ≥30 min). Monitor for dyspepsia, melena, or hematemesis.
Drug reference
References
- Fosamax (alendronate) Prescribing Information — FDA Label
- Alendronate–NSAIDs (aspirin) Interaction — Lexicomp
Frequently asked questions
Can I take alendronate with aspirin?
The interaction is rated: Moderate. Increased risk of upper GI irritation/ulceration and bleeding with concurrent NSAID (aspirin) use.
How serious is the interaction between alendronate and aspirin?
The interaction is rated: Moderate. Evidence level: High.
How is the interaction between alendronate and aspirin managed?
Use lowest effective aspirin dose; consider PPI in patients at GI risk. Ensure proper alendronate administration (full glass of water, remain upright ≥30 min). Monitor for dyspepsia, melena, or hematemesis.
Why do alendronate and aspirin interact?
Additive GI mucosal irritation from bisphosphonate and NSAID effects.
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