Page 302 - Problem-Based Feline Medicine
P. 302

294   PART 5   CAT WITH ACUTE ILLNESS



          UPALATABLE FOOD*                              Clinical signs
                                                        Partial or complete anorexia is observed with respect to
           Classical signs                              the cat’s normal food source.
           ● Partial anorexia.                          No weight loss or other signs of illness are apparent.


          Pathogenesis                                  Diagnosis
                                                        Diagnosis is based on confirming that another food
          Change in diet to unpalatable food may precipitate
                                                        source is being used, e.g. neighbors, successful hunting.
          total or partial anorexia.
                                                        Ruling out other causes of anorexia.
          Stale food or spoiled food may cause anorexia.
                                                        Differential diagnosis
          Clinical signs
                                                        Other causes of anorexia.
          Complete or partial anorexia.

                                                        Treatment
          Diagnosis
                                                        Eliminate the alternate food source if indicated.
          History of change in diet.

          History of feeding from a large, slowly consumed bag of  ENVIRONMENTAL STRESS*
          dry food, or providing several days of rations in one meal.
                                                         Classical signs
          Ruling out other causes of anorexia.
                                                         ● Inactivity and/or anorexia.
          Differential diagnosis
          Other causes of depression and anorexia.      Pathogenesis

                                                        Hot weather may cause inactivity and withdrawal to
          Treatment                                     cool locations.
          Resume previous diet or offer other more palatable  Cold weather may cause withdrawal to warm locations.
          food.
                                                        The cat may not be eating because of discomfort or
                                                        because of inactivity and withdrawal.
          Prognosis

          Excellent provided anorexia is not protracted in obese  Clinical signs
          cats resulting in hepatic lipidosis.
                                                        Variable withdrawal, inactivity, anorexia and dehydration.

          ALTERNATE FOOD SOURCE*                        During hot weather periods the cat may be more active
                                                        than usual at night when it is cooler.
           Classical signs                              No signs of another disorder causing depression and
                                                        anorexia.
           ● Partial anorexia.
                                                        Diagnosis
          Pathogenesis
                                                        History of temperature extremes.
          The cat has another food source in addition to its usual
          source, causing physiologic anorexia.         Ruling-out other causes of depression and anorexia.
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