Why is it not recommended to wear custom hearing aids for otitis media?

First, due to the wearing of in-ear hearing aids, secretions may flow back into the ear and cannot flow out, again causing inflammation of the middle ear and aggravating the condition.

The second is that the secretion overflows into the ear canal. Hearing aid ,easily damaged Hearing aid , Then the gain is not worth the loss

Link:      Why is it not recommended to wear custom hearing aids for otitis media?

REF: Hearing aids ChinaBluetooth Hearing AidsBTE Hearing Aids
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