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To the Editor.—
In his letter in the January 1978 Archives (114:130) Dr Herwick described a case of prurigo in a woman from the San Francisco Bay area that he ascribed to the presence of the canine (and feline) ear mite Otodectes cynotis in the patient's recently acquired dog.
Report of a Case.—
In November 1977 a young dog was referred to me because the owner, a 50-year-old housewife, had been suffering from recurrent, pruritic eruptions on her torso and extremities ever since she acquired the dog some nine months earlier. The dog proved to have a bilateral otitis externa due to a heavy infestation with O cynotis. In brushings from the coat of the animal I found two mites that I first thought to be aberrant ear mites but that were subsequently identified as the canine scurf mite Cheyletiella yasguri. This mite may infest dogs asymptomatically but is quite
Herstoff JK. Sensitization to Topical Antibiotics. Arch Dermatol. 1978;114(9):1402. doi:10.1001/archderm.1978.01640210081038