Flea infestations of pets continue to persist due to the lack of knowledge of flea biology and ecology. It is not unusual that pet owners believe regular hygiene, such as shampooing their dogs can replace regular insecticidal treatment. The objective of this study was to compare in a flea simulated environment, modelling exposure similar to that found in a home, that the use of regular physiolo...

A 59-year-old woman presented with several years of persistent and worsening bilateral pruritic auricular lesions. The rash was limited to the ears, and the patient did not have a history of a similar rash on other areas of her body. She reported rubbing and scratching her ears often. A trial of ketoconazole shampoo and triamcinolone cream was ineffective. Examination revealed cobblestoned, sli...