Here's why it's important to see a vet:
* Infection: Scratches can become infected, which can lead to pain, swelling, and other complications.
* Underlying issues: The scratch could be a symptom of another health problem, like a dental issue or an allergy.
* Proper care: A vet can provide the best treatment for your cat's specific situation, including cleaning the wound, antibiotics, and pain relief.
Instead of attempting to treat it yourself, contact your veterinarian immediately. They can provide the best care for your cat.