Thanks for your question.
In your case since this is due to infection, the tinnitus tends to clear when the infection clears. Please refer the below link
I hope you are practicing mindfulness exercises and within a few days after complete clearing of infection and mindfulness daily exercises you will be without any tinnitus.
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Some patients may experience tinnitus when there is an infection of the ear. Please do not worry since in majority of patients this will go away when the infection is cleared. And even in the few patients who may continue to experience tinnitus there is effective treatment today for the treatment of this symptom and no one needs to continue to live with tinnitus nowadays.
With the correct antibiotic it will clear in a week.
That link was just to make you aware that different websites say different things since you had quoted webmd in your question. It was not for information.
Please take the information available online lightly since most of the times it is not accurate.
I have treated many patients with such ear infections and having tinnitus and not even one has tinnitus after the infection has cleared.