Answers: The two work about matching ... they do help by increasing the moisture but the best things I could recommend are guafinesin (expectorant ... better than dextromethorpan) and drinking plenty of fluids (3 L a day) ...
Hope you are premonition better soon,
C
The guafinesin is sometimes a little harder to find but it works much better than other expectorants. Just be prepared to cough profoundly ... Pharmacists will be able to point you within the right direction they are an incredible resource.
saline soultion works better, the humidifier and vaporizer just help u breathe better.