Sir,i m sufrng from dry cough since 3 mnths bt from last 3 days,my prblm is increasd.m having choking episodes whch is getng very dfclt to handle. Last year also,i had d same cough histry bt widout these choking episodes for whch i was givn salmetrol inhaler.aftr taking it,d cough ws relievd. Bt m havn d same prblm nw. D dctr has adviced me for aec test.sir is there anythng to wry abt??