In addition to irritating, itchy bites, fleas can lead to hot spots, hair loss, anemia, and other painful skin conditions. (dogingtonpost.com)
Your pet can be allergic to fleas, and just one bite can result in a severely painful skin infection. (salmoncreekvetclinic.com)
One study performed on rabbits found that those who were forced to eat zinc - deficient diets suffered from painful skin lesions, hair loss, and an increased number of infections. (petconsider.com)