I have throat irritation from last 3 month. Had CT scan of nose which resulting as bilateral ethmoid sinusitis. After dat dr told me this irritation is bcz of that post nasal drip which causing imflammation and irritation in your throat. He gave me one month medicine but no cure and nothing change in my throat. I am little bit scared about my throat so can someone please help me out is dat the reason or anything else i should go for.??