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Education / Blog / Flea Allergy Dermatitis - What Mt Shasta Pet Owners Need To Know

Flea Allergy Dermatitis - What Mt Shasta Pet Owners Need To Know

Fleas are everywhere and one flea bite can cause terrible itching in a pet who is flea allergic. Pets who are flea allergic are allergic to the flea’s saliva. This allergy causes dermatitis when they are bitten by a flea.

Dermatitis is inflammation or infection of the skin. 

Flea Allergy Symptoms

  • Biting and chewing at fur/skin
  • Extensive skin damage
  • Excessive scratching
  • Excessive licking
  • Hair loss

Flea allergy dermatitis can cause mild inflammation or it can cause painfully severe inflammation. This inflammation combined with scratching causes skin abrasions which opens the door to infection. 

If your pet exhibits any of the symptoms above, it is important to take them to your veterinarian as soon as possible. Your veterinarian will look perform a complete exam, check for evidence of fleas, and possibly take skin or blood tests. 


If there is an infection present, your vet may prescribe antibiotics, anti-inflammatories, or topical medications to help your pet be more comfortable. Then it is time to get serious about flea control. Monthly flea preventive is a must as is combing your pet for fleas. If you have other pets, it is critical that they are on flea preventive, as well. 

Flea bite dermatitis can be treated but the best bet for your pet’s health is aggressive flea prevention. Talk to your veterinarian about the best options for you and your pet.  
Posted Thursday, June 04, 2015