The prognosis for otitis externa is usually good with or without treatment. Recurring episodes may require treatment to resolve symptoms permanently. Malignant otitis externa has a poor prognosis without treatment; with treatment, the prognosis varies depending on the extent of infection and damage caused to the skull bones and nerves.
What to expect if I have Otitis externa  (Outlook/Prognosis)?
The prognosis for otitis externa is usually good with or without treatment. Recurring episodes may require treatment to resolve symptoms permanently. Malignant otitis externa has a poor prognosis without treatment; with treatment, the prognosis varies depending on the extent of infection and damage caused to the skull bones and nerves.