Garlic has antibacterial , antifungal, anti viral properties.

When crushed, raw garlic releases a compound called allicin that has antibacterial, antifungal, and antiviral properties. The best way to use garlic for sore throats is simply to chew on a raw clove, or take a slice and suck on it for 15 minutes.
                                           

 This may be hard for most people to handle.(its really work, relieve          sore throat )