Answer
It depends on the cause and formulation. Oesophageal narrowing or delayed emptying is a contraindication, and the oral solution must not be used when liquids are difficult to swallow or aspiration is a risk.
Sources for this answer
- Alendronic Acid 70 mg tabletsemc · SmPC Current selected SmPC · Version 10
- Alendronic Acid 70mg Oral Solution