IGHE and ear infection: All the remaining SMO cases had negative results for the allergen-specific IgE and IDAT for Malassezia. This outcome is contrary to that of Kim and colleagues, who stated dogs with Malassezia otitis would manifest immediate hypersensitivity response in the IDAT [4] though the possibility of prednisolone suppressing test results in case 1 and 2 need to be noted.