there is a cough associated with heartburn or gerd. See a GI.
http://www.medhelp.org/posts/GERD-Acid-Reflux/Persisant-cough/show/947111
https://www.monroeclinic.org/didyouknow/causes-acid-reflux-and-asthma-persistant-cough-may-be-more
I’ve had that cough and it’s funny/odd but I can tell the difference between the two coughs.
This is a dry itchy cough