Ear Canal Infection (Bacterial Otitis Externa) in Cats
Yeast of Fungal Otitis Externa continued...
Signs and symptoms of a yeast infection are not nearly as pronounced as the
infection caused by bacteria. The ear is inflamed and painful, but less so.
Sometimes the ear will simply be red and moist in appearance. The discharge is
dark and waxy but not purulent. A rancid odor is characteristic.
Yeast and fungus infections tend to recur, and treatment is often
Treatment: Your veterinarian may want to do a swab to look at cells from the
ear to determine the exact cause of the problem and to determine whether the
problem has cleared, because stopping treatment beforehand (not just at the
remission of signs) frequently results in relapse. Topical medications may need
to be supplemented with oral medications.
Treatment is similar to the treatment for bacterial otitis, except that an
antifungal agent (such as nystatin or thiabendazole) is used. Panolog, which
contains nystatin, is effective against the yeast Candida albicans. Tresaderm,
which contains thiabendazole, is effective against Candida and most other
common yeast invaders. Miconazole solutions are commonly prescribed as