Last few months my ears are blocked and some times itching and sometimes I had back head ache and feeling weight head and my nose is feeling tight frequently iam feeling like deaf I feel it's affected my hearing already I had dust allergy and l year back i had one bike accident I fall down on that time in my head had small injury doctor make 2 stich in my head after that I feeling my ears are started to block I make head ct scan it was normal,is it related to accident head injury or sinus problm please answer me (when iam pour water on my head suddenly my ears or blocking)