Can flea bites make you sick?

Fleas can carry infectious diseases from animals, and their bites can transfer these diseases to humans. The Public Health Department of Seattle and King County states that a flea bite does not necessarily mean a person will get sick, but some of the diseases fleas transmit can be deadly.

The Public Health Department of Seattle and King County states that a flea bite can cause serious itching and possibly skin infection, but there is also a risk of the transmission of deadly diseases. Fleas that live on dogs, cats, and other furry animals can cause typhus, cat-scratch fever and plague in humans. Fleas can be killed with various insecticides and insecticide shampoos.