
The first major rewrite since 2015 sorts therapies by mechanism of action, splits care into reactive and proactive phases, and adds guidance on 2 newer Janus kinase (JAK) inhibitors.
What's causing this dog's hair loss?
This Chihuahua puppy has patchy areas of nonpruritic alopecia on its face and trunk.
Results of cytologic examination of skin scrapings for mites were negative, but a trichogram demonstrated fungal infection of several hair shafts.
Gross and cytologic morphology of the dermatophyte culture are shown below.
What is your diagnosis?

