Undertiden udvikler kattene midlertidig apati (manglende interesse for omgivelserne) og anoreksi (appetitløshed), såvel som hypertermi (forhøjet kropstemperatur), der varer i en eller to dage.
Occasionally, cats will develop temporary apathy (loss of interest in surroundings) and anorexia (loss of appetite), as well as hyperthermia (elevated body temperature) lasting for one or two days.