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 Aleve (naproxen) is used for, how it works, and potential side effects in cats and dogs. Always consult a veterinarian before giving your pet any medication.
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naproxen
Naprosyn, Aleve
Over-the-counter and prescription
Tablet and capsule ( 200 mg, 250 mg, 375mg, 500mg), Liquid (125mg/5ml)
Non-steroidal anti-inflammatory (NSAID)
No approved uses in small or exotic animals. Naproxen is approved in horses.
Naproxen and other NSAIDs work by decreasing levels of prostaglandins (chemicals in the body that lead to pain, inflammation, and fever). By blocking cyclooxygenase (the enzyme that produces prostaglandins), naproxen reduces these symptoms.
GI distress (diarrhea, ulcers), blood abnormalities (low protein, decreased hematocrit), renal problems (fluid retention), possible neuropathies. Signs of overdose include vomiting, lethargy, anorexia, bloody vomit or stool, anemia.
Naproxen interacts with aminoglycosides, anticoagulants, aspirin, corticosteroids, furosemide
Do not use unless other NSAIDs that are approved haven’t worked. Do not use with a history of gastric ulcers. This medication is considered to be toxic to pets, especially cats.
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