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[[Image:Small Animal Dermatology Q&A 13.jpg|centre|500px]]<br>
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'''A 3-year-old dog is shown.'''

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<FlashCard questions="3">
|q1=This is a classic presentation of what allergic skin disease?
|a1=
This is a classic case of FAD.
|l1=
|q2=How is this disease treated?
|a2=
FAD is treated with flea control. This patient has clinical signs of a secondary bacterial pyoderma (note the erythema on the hind legs). <br><br>
*The dog should be treated with an appropriate course of antimicrobial therapy for a minimum of 4 weeks.
*Glucocorticoids should not be used in this patient to alleviate the pruritus until the microbial infections resolve, and the owner has initiated flea control.
*Immunotherapy for flea bite hypersensitivity has not been successful.
|l2=
|q3=What immunological mechanisms are believe to be involved in the development of this disease?
|a3=
The pruritus of FAD is believed to be caused by a combination of type 1, type 4, late phase reactions, and basophil hypersensitivity reactions.
|l3=
</FlashCard>

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