This may be accompanied by periauricular excoriation and a dark brown-black ceruminous exudate. Positive diagnosis, following exhibition of the above signs, is made by taking an ear swab and microscopically confirming the presence of mites or their eggs. A primary concern is secondary infection that may occur with persistent scratching by the animal. The medication, in a lotion form, is applied to the ear in a quantity sufficient to coat the ear canal. The base of the ear is gently massaged and the medication is allowed contact for at least a few minutes.
Any excess is removed from the external portion of the ear.
A second treatment is applied in 7 days, which is usually sufficient to cure the infection. Side effects that have been reported include allergic reactions, nausea, vomiting, and general malaise. Noticeable improvement is usually seen after the second application, although additional treatments may be required to cure the infection. Overdoses and systemic absorption of rotenone generally causes CNS excitation and convulsions proceeding to CNS depression. Mite Infestation of Birds Avian mite infection can be relatively common.