Alendronate
Brand: Fosamax
Key warning
Caution: esophageal irritation; rare jaw osteonecrosis and atypical thigh fractures
Common side effects
- Heartburn
- Esophagus irritation
- Stomach upset
- Muscle or joint pain
- Difficulty swallowing
Key interactions & cautions
- Calcium, antacids, and iron reduce absorption
- Separate from other medicines and food
- NSAIDs may add to stomach irritation
Counseling points
- Take on empty stomach with plain water
- Stay upright at least 30 minutes after
- Take before first food or drink of day
- Report trouble swallowing or chest pain
- Ensure adequate calcium and vitamin D
High-yield study aid for exam prep — not a substitute for the package insert or a pharmacist’s dispensing reference.