Thus, both insects leave behind certain signs, by which you can confirm their presence. You can also look for live fleas and bed bugs in the suspected hiding places. Once confirmed, do not delay in taking stringent actions for controlling these parasites. For flea control, you should be extremely careful, as they live on pet's fur, on carpets, yards, and many other places. If required, take the help of a professional pest control service for exterminating fleas and bed bugs successfully.