Drug reference

alendronate

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.

Drug class

Musculoskeletal (Bisphosphonate)

Mechanism of action

Bisphosphonate; binds to hydroxyapatite crystals in bone and inhibits osteoclast-mediated bone resorption; decreases mineral release and collagen or matrix breakdown in bone

Common side effects

  • Flatulence
  • Dyspepsia
  • Headache
  • Muscle or joint pain
  • Acid regurgitation
  • Esophageal ulcer
  • Abdominal pain

Contraindications

  • Hypersensitivity Hypocalcemia Abnormalities of the esophagus delaying esophageal emptying such as stricture or achalasia Inability to stand or sit upright for 30 minutes

Known interactions (1)

Related conditions

Frequently asked questions

What drug class is alendronate?

alendronate belongs to: Musculoskeletal.

How does alendronate work?

Bisphosphonate; binds to hydroxyapatite crystals in bone and inhibits osteoclast-mediated bone resorption; decreases mineral release and collagen or matrix breakdown in bone

What are the common side effects of alendronate?

Flatulence, Dyspepsia, Headache, Muscle or joint pain, Acid regurgitation, Esophageal ulcer, Abdominal pain

Which drugs interact with alendronate?

aspirin

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