Rimadyl 100mg per Chewable Tablet for Pets | PfizerRimadyl pronounced &ldquoRim-a-dill&rdquo is a 24-hour, non-steroidal anti-inflammatory drug NSAID that is administered once a day. It provides safe and effective relief of pain and inflammation due to canine arthritis, orthopedic and soft tissue surgery. Available only by prescription through your veterinarian. FREE SHIPPING ON ALL 100MG RIMADYL. Rimadyl 100mg per Chewable Tablet for Pets | Pfizer. Sold by Vet Approved Rx.