I suffered from sinussitis when i was 17 years old. Now I'm 34 and facing Health issue for past 17 years. if i drink cold water or chilled cool drinks or icecreams. It blocks my mind. My mind will not work properly for another 2 or 3 days. I forget my things where i have placed and route from where did i come. I felt dizziness. it takes 5 to 10 mins to recollect things. Can any help me to trace out the problem. Please let me know any one knows home remedies or pills for the problem. I have consulted ENT specialists for this problem. Docts told me to go for surgery . But i doubt will it help full for me