Hi, may I answer your health queries right now ? Please type your query here...HI I quit smoking 8 months ago mainly because of this cough. Well the cough is the same. I have had a ct and chest xray both clear. I also had a PTF also clear. I tried prilosec for about 3 weeks now no change. I have also tried Zyrtec for a week no change. My 6 yr old daughter now has this cough about 5 weeks speratic fits any ideas????"