Diarrhea
Vomiting
Weight loss
Pot-bellied appearance
Visible worms in stool or around the anus
Scooting or dragging the rear on the ground
Itchy anus
Dull coat
Increased appetite with weight loss
Lethargy
Coughing
Pale gums
Worm segments that look like rice grains in feces or bedding
Poor growth in puppies
Abdominal discomfort
Signs of dehydration