The symptoms of pain in cats after sterilization include lack of energy, not eating or drinking, not moving, curling up, etc. Generally, cats that have just been neutered will feel pain. At this time, the cat can be given anti-inflammatory and analgesic drugs to relieve the pain. of pain. After the cat is neutered, it is necessary to supplement nutrition and give it some nutritious and easy-to-digest food to help the cat recover faster. It is also necessary to avoid exercise, otherwise the wound will not heal easily.