Suggest Medication For Hearing Loss

hello doctor, I am from the Phil and just came back from volunteer work in Nepal. I ahd to come back because I suffer from what the doctor there and here in the Phil as tinnitus and hearing loss. I am constantly nauseated and depressed. I am taking betahistine HCL and methlycobalamine. what other advise can you give me to ease my discomfort and make me function normally again? My condition was triggered by very loud noise one evening in Nepal