It’s important to understand a medication’s uses and side effects before giving it to your pet. This medication info sheet is meant to give you a good understanding of what aspirin is used for, how it works, and potential side effects in cats and dogs. Always consult a veterinarian before giving your pet any medication, including aspirin.
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aspirin
Many different brand names (Bayer, etc.)
Over-the-counter and prescription
Available in tablets, granules, and boluses (for animal use), buffered and unbuffered (uncoated and coated). Common strengths are 81 mg and 325 mg.
Aspirin is in a group of medications called salicylates and is also a non-steroidal anti-inflammatory (NSAID).
Analgesic, anti-inflammatory, anti-fever, platelet aggregate inhibitor
COX2 inhibitor (reduces prostaglandin and thromboxane synthesis). These substances trigger many processes in the body, including inflammation.
Nausea, anorexia, and vomiting, with or without blood, are the most common. Bleeding from GI tract.
Too many to list - some potential drug interactions include ACE inhibitors, antidepressants, calcium channel blockers, some heart and arthritis medications.
Aspirin should never be given to a pet that is taking steroids (this can lead to GI ulceration or liver and kidney problems).
Do not give unless directed by your veterinarian. Aspirin is very dangerous in cats, especially. Stop using one week before scheduled surgery to decrease the risk of bleeding.
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