Best cough remedy?

Really persistent cough all the rest of the cold is gone but this cough refuses to leave.Best cough remedy?
If you can go innto the sun or a sauna (I live in Fl) but if not the usual things like Vick Vapour rub on the neck and upper chest, plus..lie on your tummy at night in bed.
I got Zicam for coughs... It's a spray and it tastes horrible, but it worked for me
I usually get that annoying cough post colds.. and i found that using Robitussin DM or Guanefesin alleviates the annoying cough. When you take it try not to drink water afterwards as it lessens the effect. Take it atleast 4 times a day and see the results.
A cough is the body's response to inflammation or irritation in the throat, larynx, bronchial tubes or lungs.Some coughs are dry, while others are considered productive.Here are a few simple home remedies that will help to overcome cough. Have honey in a hot drink before bed time.To relieve fits of coughing due to dryness in the throat, suck a few pepper corns. Check out http://useinfo6.blogspot.com/ for more remedies and information.