Other vaccines are regarded as non-core and used when vaccination would provide valuable protection for an individual cat. Bordetella: Cats who go to the groomer or stay at a kennel may get vaccinated for this infection that spreads quickly in spaces where there are lots of animals. Because fibrosarcomas can be very difficult to completely remove by surgery, it has been recommended by groups in the USA that rabies vaccines are given in the right hind leg, FeLV vaccines in the left hind leg and FHV-1/FCV vaccines in the right front leg. Then the next day I called him back because If you let your cat go outdoors, you should probably consider giving him non-core vaccines, since you have no idea what he could be exposed to outside. They tend to be either fully onrunning around like maniacsor fully offresting up for another round. Cats withBordetella bronchispeticacan be treated effectively with appropriate antibiotics, and vaccination is not required in most cats. It is common for cats to experience mild reactions like lethargy, slight fever, localized swelling and reduced appetite in a few hours after getting the shot. In comparison, healthy kittens are never lethargic. Also, other vaccinations are highly recommended to protect your cat against infectious diseases. Your cat may also need to undergo radiotherapy or chemotherapy. Mild reactions can include a variety of symptoms such as mild fever, lethargy, poor appetite, sneezing or respiratory problems, slight discomfort at the injection site, slight swelling at the injection site, and vomiting. Now, I am here on the internet trying to get answers. Cat Personality Change After Vaccinations Its easier to stretch the skin and administer a shot. Inflammatory / immune diseasesAbnormal immune responses and inflammation can make cats feel unwell and damage the body. These reactions should not be severe. Because of this, after your cat receives any vaccine, it is sensible to monitor the injection site regularly and if a swelling at the site persists for several weeks and/or continues to enlarge, get it checked immediately by your vet. Cat Personality Change After Vaccinations From time to time, check on your cat. These reactions can be life-threatening and are medical emergencies. While the disease usually starts with decreased energy and low appetite, it progresses to vomiting and diarrhea. Keep in mind that vaccines dont offer total immunity from diseases.