Understanding Mild Systemic Illness in Cats: Symptoms & Signs

Signs of mild systemic diseases in cats

- fever (rectal temperature usually over 103°F)

- lethargy

- decreased or increased appetite

- mild inflammation of gums

- palpable lymph nodes

- dull hair coat

Signs of severe systemic diseases

- high or very low fever

- hypothermia

- severe depression or lack of response

- inability to stand

- pale gums

- dehydration

- rapid or difficult breathing

- vomiting or diarrhea

- excessive thirst

- dark urine

- seizures