Does your cat show any of these symptoms? It may have an abscess, and it needs to see a veterinarian.
1. Lethargy
2. Poor or absent appetite
3. Visible puncture wounds
4. Swelling or lump on skin
5. Limping (if bitten on a leg)
6. Pain or resentment when picked up or touched
7. Fever
8. Swollen lymph nodes