The phrase "flea bites" refers to small injuries on the skin caused by tiny insects called fleas. It can also be used as a metaphor to describe something that is very small or insignificant. Full definition
You should ensure that your home, immediate environment and your pet are always clean, in order to minimize the chances of your pet suffering from flea bite allergy. (vetinfo.com)
Omega 3 supplementation also reduces inflammation caused by skin allergies from flea bites, topical contact with allergens, and food allergies. (blog.petmeds.com)
In some cases, some dogs may develop behavioral problems as a result of flea bite dermatitis. (cuteness.com)