Rimadyl and aspirin are both used to treat pain in dogs. Both of these are classified as NSAIDs (non-steroidal anti-inflammatory drugs). There are differences between the two and they cannot be interchanged.
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Rimadyl
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Rimadyl is a prescription drug manufactured by Pfzier for relief of pain and inflammation due to canine arthritis, orthopedic and soft tissue surgery. Rimadyl is a brand name for the drug carprofen.
Aspirin
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Aspirin is an over-the-counter generic drug, also known as acetylsalicylic acid. Aspirin is often used to relieve minor aches and pains, to reduce fever, and as an anti-inflammatory medication.
Arthritis
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Rimadyl is specifically prescribed to relieve arthritis pain. It cannot be used with steroids such as prednisone or other NSAIDs. Aspirin is used to relieve many types of pain, including arthritis. Aspirin can be used with other NSAIDs.
Uses
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Rimadyl is for veterinary use in dogs only. Aspirin is for human and veterinary use.
Side Effects
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Rimadyl and aspirin have similar side effects. The most common are GI (gastro-intestinal) upset. Both can trigger allergic reactions that include hives, swelling of the throat or in extreme cases, death.
Cost
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As a prescription drug, Rimadyl is much more expensive than aspirin. Aspirin is sold under store brands or generic names for very little cost. Health care savings account funds can be use to purchase aspirin. Rimadyl is not a qualifying expense.
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