Visible worms in stool, vomit, or around the anus
Scooting or dragging the rear on the floor
Pot-bellied appearance, especially in kittens
Weight loss despite a normal or increased appetite
Diarrhea or soft stools
Vomiting
Dull, rough, or poor coat condition
Lethargy or low energy
Coughing, in some cases
Pale gums
Itching or irritation around the rear end
Small white rice-like segments in bedding or litter box
Changes in appetite
Signs of dehydration
A veterinarian’s fecal test confirming parasites