However, it’s important to keep your eyes peeled for another common telltale sign they leave behind: the presence of flea ...

These little specks, called flea dirt, might look like regular dirt, but they’re a sign of a flea problem. Fleas are small ...

You will not see the flea bites, but you will see evidence of the bites. So you’ll see flea dirt, which is the product of a flea ingesting your pet’s blood and then passing it as feces.

First, check for what is called flea dirt - to spare you the ugly details, it's basically flea droppings that show up as tiny blackish specs and usually smear a rusty red color. It can look kind ...

3. Look for flea dirt: You can identify fleas by the presence of "flea dirt," says Gary Richter, DVM, veterinary health expert with Rover. This "dirt" is actually digested blood, and it looks like ...