Medication Guide • Reviewed by Dr. Tiffany Delacruz, DVM
Carprofen (generic Rimadyl) for Dogs
Carprofen is the generic version of Rimadyl — a widely prescribed NSAID for dog pain and inflammation, especially arthritis and post-surgical recovery.
What Carprofen (generic Rimadyl) is used for in dogs
- Osteoarthritis pain
- Post-surgical pain control
- Soft tissue inflammation
How it works
Carprofen selectively inhibits the COX-2 enzyme involved in inflammation while sparing more of the COX-1 enzyme that protects the stomach lining.
Available formulations
25 mg chewable
75 mg chewable
100 mg chewable
Caplet
Side effects to know
Common side effects
- • Mild GI upset
- • Decreased appetite
- • Diarrhea
These usually resolve on their own. If they persist past the first few doses, ask your vet.
Call your vet immediately if you see
- ⚠ Black/tarry stools (GI bleeding)
- ⚠ Vomiting blood
- ⚠ Yellowing of eyes or gums (liver issues)
- ⚠ Decreased urination (kidney issues)
Drug interactions
- • Corticosteroids (do not combine)
- • Other NSAIDs
- • ACE inhibitors (with kidney monitoring)
When not to use
- • Concurrent steroid use
- • Pre-existing kidney or liver disease
- • Bleeding disorders
- • Dehydrated dogs
Monitoring during treatment
Baseline bloodwork and periodic rechecks every 6-12 months for long-term users.
Need a Carprofen (generic Rimadyl) refill?
RexVet is the first 501(c)(3) non-profit online vet service in the U.S. Talk to a licensed veterinarian by video, get your dogs's Carprofen (generic Rimadyl) prescription, and have it shipped through RexVetRx — all for $64.99 per visit.
Book a vet visit — $64.99Carprofen (generic Rimadyl) for Dogs
Frequently asked questions
Is carprofen the same as Rimadyl?
Yes — carprofen is the generic name for the same medication sold as Rimadyl. Both contain the identical active ingredient.
Is generic carprofen as effective as Rimadyl?
FDA-approved generic carprofen must meet the same standards as the brand-name product. Most dogs tolerate them equivalently.
How long can my dog take carprofen?
Many arthritic dogs take carprofen long-term (years) with periodic bloodwork. Always stop and call your vet if any serious side effect appears.
Can RexVet prescribe carprofen?
Yes, with a current arthritis diagnosis and bloodwork on file. RexVet ships through RexVetRx, often the same day.
Can I give carprofen with food?
Yes — and it usually helps reduce stomach upset. Most dogs accept the flavored chewable as a treat.
Medical review by Dr. Tiffany Delacruz, DVM
Chief Executive Officer & Lead Veterinarian, RexVet. Licensed in Florida, New York, and Virginia.
Last fact-checked: 2026-05-19
Sources
This page is an educational reference and does not replace veterinary advice. Always consult a licensed veterinarian before starting, changing, or stopping medication for your pet.