Maybe TMJ I have all of the above and almost like something is stuck in my ear.
BP, Sugar, Excessive Stress, Virus, depression medication, can be reasons
Steroids is oly known medication but with strong side effects, so think twice to take steroids , better avoid
Have you had this diagnosed by a medical professional? It may not be nerve damage at all but definitely sounds like it's worth investigating. Your hearing is too important to trust to self-diagnosis.
one more thing I beren deaf in my left ear for about a monthh