← Drug quick-reference

Clopidogrel

Brand: Plavix

AntiplateletUsed for: Prevent blood clotsCardiovascular
Key warning

Boxed warning: diminished antiplatelet effect in CYP2C19 poor metabolizers

Common side effects

  • Easy bruising
  • Bleeding
  • Diarrhea
  • Rash

Key interactions & cautions

  • Omeprazole may reduce its effect
  • Adds bleeding risk with NSAIDs and other blood thinners
  • Caution with aspirin

Counseling points

  • Take at the same time each day
  • Report unusual bleeding or bruising
  • Tell dentists and surgeons before procedures
  • Do not stop without talking to prescriber

High-yield study aid for exam prep — not a substitute for the package insert or a pharmacist’s dispensing reference.