I have cold cough from last one month. & horrible pain in throat when drink water & during inside movement .I took treatment from ENT doctor ,doctor prescribed anti allergic spray, tablet, Vitamins,anti biotic. but till same problem. inside the throat become reddish in color. earlier also cough cold but only for 8-10 days. I am working in asbestos cement industry,I have allergy of dust. Please consult me what to do next.