Its natural for a cat to become listless and sleepy after vaccines are administered. Administration of a series of rabies vaccine injections immediately after an exposure. Vaccines work by stimulating the bodys immune system to recognize and fight a particular microorganism such as a virus bacteria or other infectious organism.
Under most circumstances two categories of exposure bite and nonbite. This type of reaction occurs to some degree almost every time a cat gets vaccinated. A stimulated immune system may lead to lethargy. When we returned home she ate half a can of wet food laid down for a bit then was her usual mischievous self getting into things and wanting to play.