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Suspected clopidogrel-associated hepatitis in a cat
Astrid L Kamp1, Washma Yousofzai2, Hans S Kooistra1
1Department Clinical Sciences, Division Internal Medicine of Companion Animals, Utrecht University, Utrecht, The Netherlands.
JFMS Open Reports
|November 8, 2024
Summary
Acute hepatitis is a potential adverse effect of clopidogrel in cats with cardiomyopathy. Veterinarians should monitor feline patients for liver damage during clopidogrel treatment.
Area of Science:
- Veterinary Medicine
- Pharmacology
- Hepatology
Background:
- Clopidogrel is commonly used to treat feline cardiomyopathies.
- The safety and adverse effects of clopidogrel in cats are not well-documented.
- Limited studies exist on clopidogrel's adverse effects in feline patients.
Observation:
- A 6-year-old castrated male cat with hypertrophic cardiomyopathy phenotype was treated with clopidogrel.
- The cat developed signs of acute hepatitis after 5 weeks of treatment.
- This case highlights a potential adverse reaction to clopidogrel in cats.
Findings:
- Acute hepatitis is a rare but potential adverse effect of clopidogrel in cats.
- Hepatotoxicity should be considered in feline patients experiencing clinical deterioration while on clopidogrel therapy.
- This case contributes to the limited literature on clopidogrel's safety profile in veterinary medicine.
Implications:
- Veterinarians should be aware of the potential for clopidogrel-induced hepatotoxicity in cats.
- Monitoring liver function in cats receiving clopidogrel is recommended.
- Further research is needed to fully understand the risks and benefits of clopidogrel in feline patients.

