Flea allergy dermatitis in dogs (FAD) is the most common dermatological condition our pups face and it can make their lives miserable if left untreated. Caused by an allergy to flea saliva ...

Flea bites on humans often appear as three red, itchy bumps in a row. They often show up in areas where clothes may fit tighter. People with an allergy to flea bites sometimes get blisters.