• Therapeutic Class: Antiplatelet Agent
  • Common Uses: Prevent blood clots
  • Species: Dogs and Cats

General Drug Information and Indications:

Clopidogrel, a drug widely used in human medicine, is adapted for veterinary use to prevent conditions such as strokes and heart attacks by inhibiting blood clots. It affects platelets, the blood cells responsible for clot formation, and operates differently from aspirin.

Administration Instructions:

  • Dosage: Administer as prescribed by your veterinarian.
  • Missed Dose: If you miss a dose, give it as soon as possible but skip it if it's almost time for the next dose. Never double the dose.
  • Hand Washing: Always wash your hands after handling this medication to prevent accidental exposure.

Side Effects:

Generally well tolerated by cats; vomiting and loss of appetite are the most common side effects. Administering with food may reduce gastrointestinal discomfort.


Keep out of reach of children and use only in the prescribed animal. Not suitable for animals with active bleeding or those who cannot form clots.

Drug Interactions:

Can be combined with drugs like aspirin or heparin, but this increases the risk of bleeding. Review all concurrent medications with your veterinarian as clopidogrel can interact with NSAIDs, warfarin, and other drugs affecting clotting.


Contact your veterinarian or the ASPCA Animal Poison Control Center at 888.426.4435. For human ingestion, contact the National Capital Poison Center at 800.222.1222. Storage: Storage conditions may vary; consult your pharmacist or read the prescription label for specific instructions.