Alternatively, Slippery Elm can be combined with the bark of Wild Cherry, the leaves of a Sweetgum (Liquidambar), and Mullein (Verbascum) to make a very effective cough syrup.
The combination of Sage and Echinacea purpurea is another effective mix due to the antibacterial and antiviral properties they possess; while the menthol in Peppermint helps to thin mucus. A lesser known remedy is that of Ginger and Licorice Root. Ginger is a warming remedy which can relieve cold and flu-like symptoms, and licorice is a demulcent which helps to soothe inflammation.
Click below for more herbs which can ease a sore throat.