Ear-Nose-Throat Problems

My kid  seems to be having nasal congestion from long time and recently having to have breath from mouth ..sometimes gasping for breath. He is mild autistic and cannot express so we are not sure what he's experiencing. Suggest please.

I am suffering with pcod and my neck base is swollen than normal ... It's goitre I think... What should I do

2 days ago, I heard loud music in a home theatre in my room for only 15 minutes i think. And that night I had a headache, In next day morning my headache was gone but i heard my ear was continuously ringing, i can clearly feel it only in silence. It's been two days i am still hearing those ringing sounds.😢 I have another problem too. from last 2 months i feel some watery or sticky fluid comes from my nose (comes from nose to throat) fluid looks same as we experienced when we have cold.. Is it possible both of this problems are related to each other? Or both are different.. please suggest me something, I don't know what to do!😢

I have sore throat since two months, tried gargling with betadine  and salt-water. Any suggestions on how this can be cured?

When I eat the after taste of some foods is pungent. For example: after I drink thumbs up or sprite the after taste of those is very pungent like burnt dish . Egg smell is unbearable for me. Mostly while eating food with masalas this change in smell. And Onion is also unbearable. Eating the food is fine but the smell and after taste due to that smell is my problem I dont have any problem in my body my intake and outlet are fine. No change is color or anything. Can I know what type of disease or illness is it. Or any test I can take to the exact name or diagnosis of this disease or illness. Note: I am Covid negative, I never had Covid and I am vaccinated also.

I am suffering from cough from last 2 months. I had common cold followed by cough. I have recovered from cold but coughing is still their..It is not continuous but once it is triggered it continues for 2-3 mins and then settles down. It happens specially when I lie down or try to sleep. Took medicines, antibiotics, still this cough isn't going away. I get light mucus with cough. Please suggest, Is this normal ?.

I'm having this for last 3-4 days. I can hear noise like loud winds inside my left ear most of the time. Earlier I thought there could be water but it's not going away. What to do?

My left ear pain has started paining badly Pain is also felt on left side of the jaw while opening the jaw wide nearby the ear area

I have a painful Pimple like growth inside my nose from 2 weeks it's not going away should I be worried

My  ENT Dr treating with vertin 16 & spin free tabs since last 15 days I got 50% relief Please clarify me on. 1.how long I have to continue above medicines 2.diagnosed ad miniers disease 3.any tests / injections required, 4.quick remedy methods if any