A dry cough can have many ... so it can drip down the back of your throat. Postnasal drip can tickle the nerves in the back of your throat, triggering a cough. Treatment for postnasal drip depends ...

That persistent tickle in your throat ... dripping [the mucus] in the back of your throat, creating a tickle effect that will make you want to cough,” Dr. Laura Boyd, primary care physician ...