It sounds unpleasant, but this "dirt" is actually the feces of fleas. How do you know the difference between flea dirt and regular dirt? There's one easy test to tell. After pulling a speck or two ...

So you’ll see flea dirt, which is the product of a flea ingesting your pet’s blood and then passing it as feces. And in addition to that, you’re going to see redness and the inflammatory ...

using a fine-toothed flea comb can be particularly effective, especially around the neck, base of the tail, and belly. Fleas on cats might be seen as small, dark moving spots or their droppings ...