I Am Looki Ng For Something To Take For A

I am looki ng for something to take for a chronic cough the minute I lay down I start coughing I have cough syrup with codeine it helped a little. I take medicine for acid reflux Nexium I heard that it could cause a cough.I was diagnosed with sinitius I was given an antibiotic generic for augmentin I 've also taken Flonase.