Suggest Treatment For Chronic Sinusitis Causing Severe Sneezing

Dear Doctor, am suffering from sinus from last 5 years, so many times sneezing in a day, that mucus is some time like water and some time yellow color. lot of disturbed in my work and in sleep, i want permanent solution. without surgery with this problem am so weak, please suggest a good medicine recently my friend advised Amway products, is it cure 100% my problem