Carprofen for Dogs and Cats

What is Carprofen for Dogs and Cats

Overview

Carprofen is an NSAID belonging to the arylpropionic acid class. It provides pain relief, fever reduction, and anti-inflammatory effects. It works primarily by reducing prostaglandin production, which plays a major role in inflammation and pain. Although it is often labeled as a COX-2 selective inhibitor, the exact mechanism may include additional anti-inflammatory actions.
Carprofen is widely used in dogs for chronic osteoarthritis, surgical pain, and mobility issues. Many dogs show steady improvement over weeks of treatment. Studies show it can improve comfort, walking ability, and quality of life. It is also used in other species, sometimes extra-label, when prescribed by a veterinarian.
Explore more joint and mobility medications in our Mobility section.

What Is Carprofen for Dogs and Cats Used For

How Carprofen for Dogs and Cats Works

Carprofen blocks the enzymes that produce prostaglandins, which are chemicals responsible for pain, swelling, and fever. By reducing prostaglandins, carprofen lowers inflammation and helps pets feel more comfortable. It may also have additional protective effects on cartilage in some cases.

Drug Facts

Carprofen is an NSAID used for pain and inflammation in dogs. It is available as chewable tablets, caplets, and injectable solutions. It is highly protein bound in the bloodstream and is considered safe when used as directed.

Common Brands

Rimadyl, Novox, Vetprofen

Drug Class

Nonsteroidal anti-inflammatory drug (NSAID)

Substance Classification

Not a controlled medication

Generic Status

Generic widely available

Availability

Prescription

Carprofen for Dogs and Cats Dosage Forms

Carprofen is sold in chewable tablets, caplets, and injectable solutions. Most owners use the oral form for long-term treatment. Dosage strength varies depending on brand and formulation.

Chewable tablets / Caplets (60 pcs)

Injectable solution (50 mg/mL)

Typical Dosing For Carprofen for Dogs and Cats

Carprofen dosage depends on the pet’s weight and condition. It is most commonly used in dogs for osteoarthritis and postoperative pain.

Chewable Tablets/Caplets

Risks and Warnings for Carprofen for Dogs and Cats

Carprofen is generally safe when used correctly, but NSAIDs can cause side effects, especially if overdosed or used for long periods. GI upset is the most common issue, including vomiting, diarrhea, or occasional ulceration. Most dogs tolerate long-term use well, but mild gastrointestinal changes may still occur.

Some dogs may develop liver or kidney issues, especially those with pre-existing disease. Rarely, dogs may experience idiosyncratic liver reactions that can be serious. Labrador Retrievers have appeared more frequently in case reports, although a breed predisposition has not been proven.

Carprofen may also affect platelet function, cause lethargy, or increase thirst. If any concerning signs appear, the medication should be discontinued and a veterinarian should be consulted.

Carprofen for Dogs and Cats Warnings and Precautions

Use carprofen with care under veterinary guidance.

• Do not use in pets with active bleeding, GI ulcers, or severe kidney or liver disease.
• Avoid giving with other NSAIDs or steroids.
• Follow your veterinarian’s exact dosage instructions.
• Do not use in dehydrated or very ill animals.
• Stop the medication if vomiting, dark stools, jaundice, or appetite loss develops.

Disclaimer: This information is for educational purposes only and should not replace professional veterinary advice. Always consult your veterinarian before using or combining any medications for your pet.

Related Medications & Supplements

Dogs being treated with Carprofen for pain, inflammation, or arthritis may also benefit from additional medications that support joint health, manage pain, or address concurrent conditions. These options are commonly recommended alongside NSAIDs like Carprofen.

• Meloxicam – NSAID alternative used for pain and inflammation management
• Aspirin – analgesic and anti-inflammatory sometimes used short-term for pain
• Piroxicam – NSAID used for chronic inflammation or certain cancers
• Tramadol – pain-relief medication often paired with NSAIDs for better control
• Gabapentin – nerve-pain medication useful for arthritis discomfort or chronic pain
• Amantadine – NMDA-antagonist that enhances pain-control when combined with NSAIDs
• Glucosamine – joint supplement supporting cartilage health and mobility

Frequently Asked Questions (FAQ)

References

• Corum, O., et al. (2025) ‘Pharmacokinetics of Carprofen Administered Intravenously at Different Doses in Goats’, Veterinary Science, 12(9), 852. Available at: https://pmc.ncbi.nlm.nih.gov/articles/PMC12474378/
• Edwards, S.H., et al. (2021) ‘Nonsteroidal anti-inflammatory drugs in animals’, MSD Veterinary Manual. Available at: https://www.msdvetmanual.com/pharmacology/inflammation/nonsteroidal-anti-inflammatory-drugs-in-animals
• Limban, C., et al. (2025) ‘Synthesis Methods and Therapeutic Journey of Carprofen and Its Derivatives: A Review’, Chemical Biology & Drug Design, 105(5), e70122. Available at: https://onlinelibrary.wiley.com/doi/10.1111/cbdd.70122?af=R
• Nebel-Karp, A., et al. (2024) ‘Pharmacokinetics of carprofen in lactating dogs after intravenous treatment’, Clinical Theriogenology. Available at: https://clinicaltheriogenology.net/index.php/CT/article/view/10491/17441
• Autefage, A., et al. (2007) ‘Efficacy and safety of the long-term oral administration of carprofen in the treatment of osteoarthritis in dogs’, Revue Méd Vét, 158(3), 119-127. Available at: https://www.researchgate.net/publication/287643437_Efficacy_and_safety_of_the_long-term_oral_administration_of_carprofen_in_the_treatment_of_osteoarthritis_in_dogs
• Mitchell, M.A. (2005) ‘Carprofen: clinical pharmacology and usage in dogs’, Seminars in Avian and Exotic Pet Medicine, 14(1), pp.61-64. Available at: https://vetmed.illinois.edu/mmitch/pdf/carprofen.pdf