Can I take Alendronic acid and Hard together?
Drug interaction guide
Originally published 25 Jan 2026
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Taking alendronic acid with food, drinks (other than plain water), or other medicines significantly reduces the amount of medicine your body absorbs. This makes the treatment much less effective at strengthening your bones.
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Why this happens
Alendronic acid is very poorly absorbed by the stomach. It binds easily to minerals and food particles, which prevents it from entering your bloodstream.
What you should do
Take your alendronic acid first thing in the morning on an empty stomach with a full glass of plain water. Wait at least 30 minutes before eating, drinking anything else, or taking any other medications. Stay upright (sitting or standing) during this time.
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Using other medicines
Taking multiple medicines? Our Medicines Interaction Checker helps you check whether your prescriptions, over-the-counter medicines, and supplements are safe to take together. Simply search for your medicines to see potential interactions and what to do about them.
Disclaimer
This information is for general educational purposes only and should not be relied upon as a substitute for professional medical advice. Always consult your GP, pharmacist, or another qualified healthcare professional before making decisions about your medications. Individual circumstances may vary, and only a healthcare professional who knows your medical history can provide personalised guidance.
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Article history
The information on this page is written and peer reviewed by qualified clinicians.
25 Jan 2026 | Originally published
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