4. They drool or pant more than normal. Lindsay Butzer, DVM, a popular veterinarian on social media and a PetMeds partner, notes that anxious dogs may exhibit physical symptoms, including "excessive ...
So, you found a flea on your dog? Fleas might seem small and harmless — more of a nuisance than a serious hazard. But these puny pests have a history of spreading disease to both people and animals.