| abstract |
The present invention is directed to respiratory tract compositions that are highly effective in the prevention and treatment of cold and influenza-like symptoms due to respiratory tract viral infections. These compositions preferably comprise a metal compound such as zinc acetate, an organic acid, and a select mucoadhesive polymer, wherein the select mucoadhesive polymer provides for adherence of the compositions to mucosal tissues and fluids to result in improved prevention and treatment of cold and influenza-like symptoms. |