These are the early signs of a cockroach infestation that you should look out for. ... Many people are allergic to the things that cockroaches leave behind, including exoskeletons and feces.

As other roaches find the poisoned roaches’ droppings and bodies, they’ll consume them and subsequently perish, as well. This method is most useful when you’re not dealing with an infestation.

As cockroaches move around your house, they shed their body parts and excrete feces and saliva. When these substances get into the air they have an effect similar to that of dust mites in your house.

Cockroaches may be the hidden cause behind your breathing issues. Their saliva, feces, and body parts release allergens that ...

They presented lab-reared roaches with a solvent of their kind’s poop and found that, even when they had to detect it from a distance, the roaches made a beeline for the droppings.