Why Do Dog Fleas Bite Humans?

Dog fleas can bite humans if they’re present on a human. This occurs when the fleas’ primary host isn’t available anymore. There’s no clear explanation for this behavior, but one theory is that the chemical makeup of human skin is different from that of a dog.

Humans are often the victims of flea bites, which can cause bleeding underneath the skin and pain in the joints and muscles. Some flea bites can even cause pimples or small, discolored blisters. The bites can also be painful if they’re infected. Some fleas carry bacteria, which can cause more serious problems.

Humans are frequently bitten by fleas on their legs and ankles. These bites may cause itching and a red bump, which is an allergic reaction to the flea’s saliva. The bump may remain sore for up to a week. If the bite is scratched, the area may bleed or develop crusts. In severe cases, you may need antibiotic treatment.

A flea’s life cycle begins when it lays an egg. It then hatches into an adult flea and starts to live on a host. Adult fleas spend most of their lives on the body of dogs and cats. They reproduce quickly. They lay eggs in animal bedding, which is where they find their hosts. Adult fleas feed on the blood of their hosts, as well as organic debris.