Gabapentin is an anticonvulsant medication .It is used to treat nerve pain with combination with other medicines .It is often prescribed for chronic, burning pain related to conditions or diabetes-related nerve damage . Gabapentin side effects include dizziness, drowsiness, fatigue, weight gain. Carprofen is a prescription non-steroidal anti-inflammatory drug used in veterinary medicine to treat pain, joint diseases It acts by inhibiting enzymes that produce prostaglandins.It forms include oral chewable tablets, caplets, and injectable solutions.