Interactions
- Milk, diet, and drugs containing high amounts of calcium, magnesium or aluminium (antacids): the resorption of alendronate is decreased. At least half an hour should pass after intake of alendronate before taking the supplement or drug.
- Highly active vitamin D analogues or fluorides: no data is available. Concomitant treatment should be avoided.
- The additional beneficial effect of HRT (hormone replacement therapy) with estrogens/progestins or raloxifene in postmenopausal women remains to be elucidated, but no interactions have been seen. The combination is therefore possible.
- Intravenous ranitidine increases the oral bioavailability of alendronate. No clinical consequences are known.
- The combination of NSAIDs and alendronate may increase the risk of gastric ulcers. Both these drugs have the potential to irritate the upper gastro-intestinal mucosa.
Read more about this topic: Alendronic Acid
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