Show I f I Smoking in Pollution Cause ause Drip ri P Probably the most annoying drip known to man man as as well as the most common one is the post-nasal post drip rip Just what causes post-nasal post drip ACCORDING G TO the AmerIcan American American Amer Amer- ican Medical Association some of or the basic causes are al allergic allergic allergic al- al reactions irritants in inthe inthe inthe the air smoking changes in barometric pressure chemical or physical damage to certain membranes deformities of the airways and Individual responses re responses responses re- re to climate altitude and humidity For reasons not understood in some people the upper throat or produces ab abI abnormal abnormal ab- ab I normal secretions TO MAINTAIN moisture the nasal passageways normal normally 1 y produce two types of secretions secretions secretions secre secre- a watery one and a thicker mucus When an oversupply oversupply oversupply over- over supply of either but particularly particular particular- ly the latter lingers in the the result Is a post-nasal post drip Modern drugs obtained by doctors doctor's prescription relieve some of the unpleasant toms When the condition Is caused by severe deformities of the airways surgery Is of often orten ten successful |