How do you tell a flea bite from a bed bug bite?

ask ur doc

My pediatrician said that flea bites tend to be spread farther apart than bed bug bites. Fleas jump around and bite sporadically. Bed bugs crawl on you and will bite several times in a row, so you could see three or more bites in a row right next to each other; fleas won't do that. Both types itch.