 - The patient is willing to take nothing by mouth including inhaled treatments except trial medication during the two hours while at the site and following trial drug administration e.g. not smoking, food, drink, candy, lozenges, chewing gum. The patient will be allowed food and drink between hours 2 and 24, but no other oral or inhaled treatments such as smoking, lozenges, chewing gum. After the two hour assessment, the patients will be allowed food and drink within one half-hour following any hourly evaluations sore throat. 