Iam suffering from severe sudden cough which will come upto 3 to 4 hours with more saliva coming from my mouth and throat will be tingering and irriation which makes me to cough again after 3 to 4 hours there will be no cough my throat will be in Normal as if there was no cough previously.i have consulted the doctor and they have tested and taken chest x-ray and my chest seems to be in normal but still getting cough suddenly.i didn't have any smoking habits I stopped eating sweets,spicy items,cool items but still getting cough suddenly can u please provide me a solution??