Parasites can also become active earlier than expected, including during the winter. "Many adult dogs may be asymptomatic carriers," Lay says. "Parasites are not always able to be seen in feces ...

Is your dog asking to go outside more? Our expert weighs in on why your pup may be needing to poop more often, along with ...

To recommend top flea and tick medicines, we asked veterinarians how pet owners can manage parasites in puppies and adult dogs. We also researched products using the Companion Animal Parasite ...